207984075

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{269}}^1$

素因数の和:369

約数の個数: 72

約数和(自身を含む): 379864080

約数和(自身を除く): 171880005

約数列:

[1, 3, 5, 13, 15, 25, 39, 61, 65, 75, 169, 183, 195, 269, 305, 325, 507, 793, 807, 845, 915, 975, 1345, 1525, 2379, 2535, 3497, 3965, 4035, 4225, 4575, 6725, 10309, 10491, 11895, 12675, 16409, 17485, 19825, 20175, 30927, 45461, 49227, 51545, 52455, 59475, 82045, 87425, 136383, 154635, 213317, 227305, 246135, 257725, 262275, 410225, 639951, 681915, 773175, 1066585, 1136525, 1230675, 2773121, 3199755, 3409575, 5332925, 8319363, 13865605, 15998775, 41596815, 69328025, 207984075]

約数ペア:

[(1, 207984075), (3, 69328025), (5, 41596815), (13, 15998775), (15, 13865605), (25, 8319363), (39, 5332925), (61, 3409575), (65, 3199755), (75, 2773121), (169, 1230675), (183, 1136525), (195, 1066585), (269, 773175), (305, 681915), (325, 639951), (507, 410225), (793, 262275), (807, 257725), (845, 246135), (915, 227305), (975, 213317), (1345, 154635), (1525, 136383), (2379, 87425), (2535, 82045), (3497, 59475), (3965, 52455), (4035, 51545), (4225, 49227), (4575, 45461), (6725, 30927), (10309, 20175), (10491, 19825), (11895, 17485), (12675, 16409)]