55555875

素因数分解:

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

素因数の和:120

約数の個数: 96

約数和(自身を含む): 109025280

約数和(自身を除く): 53469405

約数列:

[1, 3, 5, 9, 15, 25, 27, 31, 45, 59, 75, 81, 93, 125, 135, 155, 177, 225, 243, 279, 295, 375, 405, 465, 531, 675, 775, 837, 885, 1125, 1215, 1395, 1475, 1593, 1829, 2025, 2325, 2511, 2655, 3375, 3875, 4185, 4425, 4779, 5487, 6075, 6975, 7375, 7533, 7965, 9145, 10125, 11625, 12555, 13275, 14337, 16461, 20925, 22125, 23895, 27435, 30375, 34875, 37665, 39825, 45725, 49383, 62775, 66375, 71685, 82305, 104625, 119475, 137175, 148149, 188325, 199125, 228625, 246915, 313875, 358425, 411525, 444447, 597375, 685875, 740745, 941625, 1234575, 1792125, 2057625, 2222235, 3703725, 6172875, 11111175, 18518625, 55555875]

約数ペア:

[(1, 55555875), (3, 18518625), (5, 11111175), (9, 6172875), (15, 3703725), (25, 2222235), (27, 2057625), (31, 1792125), (45, 1234575), (59, 941625), (75, 740745), (81, 685875), (93, 597375), (125, 444447), (135, 411525), (155, 358425), (177, 313875), (225, 246915), (243, 228625), (279, 199125), (295, 188325), (375, 148149), (405, 137175), (465, 119475), (531, 104625), (675, 82305), (775, 71685), (837, 66375), (885, 62775), (1125, 49383), (1215, 45725), (1395, 39825), (1475, 37665), (1593, 34875), (1829, 30375), (2025, 27435), (2325, 23895), (2511, 22125), (2655, 20925), (3375, 16461), (3875, 14337), (4185, 13275), (4425, 12555), (4779, 11625), (5487, 10125), (6075, 9145), (6975, 7965), (7375, 7533)]