9991401

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{191}}^1$

素因数の和:301

約数の個数: 32

約数和(自身を含む): 15925248

約数和(自身を除く): 5933847

約数列:

[1, 3, 7, 21, 47, 53, 141, 159, 191, 329, 371, 573, 987, 1113, 1337, 2491, 4011, 7473, 8977, 10123, 17437, 26931, 30369, 52311, 62839, 70861, 188517, 212583, 475781, 1427343, 3330467, 9991401]

約数ペア:

[(1, 9991401), (3, 3330467), (7, 1427343), (21, 475781), (47, 212583), (53, 188517), (141, 70861), (159, 62839), (191, 52311), (329, 30369), (371, 26931), (573, 17437), (987, 10123), (1113, 8977), (1337, 7473), (2491, 4011)]