28907631

素因数分解:

$3^3\times {\mathrm{53}}^1\times {\mathrm{20201}}^1$

素因数の和:20263

約数の個数: 16

約数和(自身を含む): 43636320

約数和(自身を除く): 14728689

約数列:

[1, 3, 9, 27, 53, 159, 477, 1431, 20201, 60603, 181809, 545427, 1070653, 3211959, 9635877, 28907631]

約数ペア:

[(1, 28907631), (3, 9635877), (9, 3211959), (27, 1070653), (53, 545427), (159, 181809), (477, 60603), (1431, 20201)]