201721135

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{709}}^1\times {\mathrm{739}}^1$

素因数の和:1471

約数の個数: 32

約数和(自身を含む): 302630400

約数和(自身を除く): 100909265

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 709, 739, 3545, 3695, 4963, 5173, 7799, 8129, 24815, 25865, 38995, 40645, 54593, 56903, 272965, 284515, 523951, 2619755, 3667657, 5763461, 18338285, 28817305, 40344227, 201721135]

約数ペア:

[(1, 201721135), (5, 40344227), (7, 28817305), (11, 18338285), (35, 5763461), (55, 3667657), (77, 2619755), (385, 523951), (709, 284515), (739, 272965), (3545, 56903), (3695, 54593), (4963, 40645), (5173, 38995), (7799, 25865), (8129, 24815)]