7990245

素因数分解:

$3^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{181}}^1$

素因数の和:307

約数の個数: 40

約数和(自身を含む): 14534520

約数和(自身を除く): 6544275

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 109, 135, 181, 327, 405, 543, 545, 905, 981, 1629, 1635, 2715, 2943, 4887, 4905, 8145, 8829, 14661, 14715, 19729, 24435, 44145, 59187, 73305, 98645, 177561, 295935, 532683, 887805, 1598049, 2663415, 7990245]

約数ペア:

[(1, 7990245), (3, 2663415), (5, 1598049), (9, 887805), (15, 532683), (27, 295935), (45, 177561), (81, 98645), (109, 73305), (135, 59187), (181, 44145), (327, 24435), (405, 19729), (543, 14715), (545, 14661), (905, 8829), (981, 8145), (1629, 4905), (1635, 4887), (2715, 2943)]