988894575

素因数分解:

$3^5\times 5^2\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1$

素因数の和:204

約数の個数: 144

約数和(自身を含む): 1949875200

約数和(自身を除く): 960980625

約数列:

[1, 3, 5, 9, 15, 25, 27, 31, 45, 59, 75, 81, 89, 93, 135, 155, 177, 225, 243, 267, 279, 295, 405, 445, 465, 531, 675, 775, 801, 837, 885, 1215, 1335, 1395, 1475, 1593, 1829, 2025, 2225, 2325, 2403, 2511, 2655, 2759, 4005, 4185, 4425, 4779, 5251, 5487, 6075, 6675, 6975, 7209, 7533, 7965, 8277, 9145, 12015, 12555, 13275, 13795, 14337, 15753, 16461, 20025, 20925, 21627, 23895, 24831, 26255, 27435, 36045, 37665, 39825, 41385, 45725, 47259, 49383, 60075, 62775, 68975, 71685, 74493, 78765, 82305, 108135, 119475, 124155, 131275, 137175, 141777, 148149, 162781, 180225, 188325, 206925, 223479, 236295, 246915, 358425, 372465, 393825, 411525, 425331, 444447, 488343, 540675, 620775, 670437, 708885, 740745, 813905, 1117395, 1181475, 1234575, 1275993, 1465029, 1862325, 2126655, 2222235, 2441715, 3352185, 3544425, 3703725, 4069525, 4395087, 5586975, 6379965, 7325145, 10633275, 11111175, 12208575, 13185261, 16760925, 21975435, 31899825, 36625725, 39555783, 65926305, 109877175, 197778915, 329631525, 988894575]

約数ペア:

[(1, 988894575), (3, 329631525), (5, 197778915), (9, 109877175), (15, 65926305), (25, 39555783), (27, 36625725), (31, 31899825), (45, 21975435), (59, 16760925), (75, 13185261), (81, 12208575), (89, 11111175), (93, 10633275), (135, 7325145), (155, 6379965), (177, 5586975), (225, 4395087), (243, 4069525), (267, 3703725), (279, 3544425), (295, 3352185), (405, 2441715), (445, 2222235), (465, 2126655), (531, 1862325), (675, 1465029), (775, 1275993), (801, 1234575), (837, 1181475), (885, 1117395), (1215, 813905), (1335, 740745), (1395, 708885), (1475, 670437), (1593, 620775), (1829, 540675), (2025, 488343), (2225, 444447), (2325, 425331), (2403, 411525), (2511, 393825), (2655, 372465), (2759, 358425), (4005, 246915), (4185, 236295), (4425, 223479), (4779, 206925), (5251, 188325), (5487, 180225), (6075, 162781), (6675, 148149), (6975, 141777), (7209, 137175), (7533, 131275), (7965, 124155), (8277, 119475), (9145, 108135), (12015, 82305), (12555, 78765), (13275, 74493), (13795, 71685), (14337, 68975), (15753, 62775), (16461, 60075), (20025, 49383), (20925, 47259), (21627, 45725), (23895, 41385), (24831, 39825), (26255, 37665), (27435, 36045)]