228889215

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:253

約数の個数: 96

約数和(自身を含む): 438197760

約数和(自身を除く): 209308545

約数列:

[1, 3, 5, 9, 15, 23, 37, 43, 45, 69, 111, 115, 129, 139, 185, 207, 215, 333, 345, 387, 417, 555, 645, 695, 851, 989, 1035, 1251, 1591, 1665, 1935, 2085, 2553, 2967, 3197, 4255, 4773, 4945, 5143, 5977, 6255, 7659, 7955, 8901, 9591, 12765, 14319, 14835, 15429, 15985, 17931, 23865, 25715, 28773, 29885, 36593, 38295, 44505, 46287, 47955, 53793, 71595, 77145, 89655, 109779, 118289, 137471, 143865, 182965, 221149, 231435, 268965, 329337, 354867, 412413, 548895, 591445, 663447, 687355, 1064601, 1105745, 1237239, 1646685, 1774335, 1990341, 2062065, 3317235, 5086427, 5323005, 6186195, 9951705, 15259281, 25432135, 45777843, 76296405, 228889215]

約数ペア:

[(1, 228889215), (3, 76296405), (5, 45777843), (9, 25432135), (15, 15259281), (23, 9951705), (37, 6186195), (43, 5323005), (45, 5086427), (69, 3317235), (111, 2062065), (115, 1990341), (129, 1774335), (139, 1646685), (185, 1237239), (207, 1105745), (215, 1064601), (333, 687355), (345, 663447), (387, 591445), (417, 548895), (555, 412413), (645, 354867), (695, 329337), (851, 268965), (989, 231435), (1035, 221149), (1251, 182965), (1591, 143865), (1665, 137471), (1935, 118289), (2085, 109779), (2553, 89655), (2967, 77145), (3197, 71595), (4255, 53793), (4773, 47955), (4945, 46287), (5143, 44505), (5977, 38295), (6255, 36593), (7659, 29885), (7955, 28773), (8901, 25715), (9591, 23865), (12765, 17931), (14319, 15985), (14835, 15429)]