7172709

素因数分解:

$3^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{179}}^1$

素因数の和:257

約数の個数: 24

約数和(自身を含む): 10424160

約数和(自身を除く): 3251451

約数列:

[1, 3, 19, 37, 57, 111, 179, 361, 537, 703, 1083, 2109, 3401, 6623, 10203, 13357, 19869, 40071, 64619, 125837, 193857, 377511, 2390903, 7172709]

約数ペア:

[(1, 7172709), (3, 2390903), (19, 377511), (37, 193857), (57, 125837), (111, 64619), (179, 40071), (361, 19869), (537, 13357), (703, 10203), (1083, 6623), (2109, 3401)]