28529553

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{1163}}^1$

素因数の和:1233

約数の個数: 32

約数和(自身を含む): 44585856

約数和(自身を除く): 16056303

約数列:

[1, 3, 13, 17, 37, 39, 51, 111, 221, 481, 629, 663, 1163, 1443, 1887, 3489, 8177, 15119, 19771, 24531, 43031, 45357, 59313, 129093, 257023, 559403, 731527, 771069, 1678209, 2194581, 9509851, 28529553]

約数ペア:

[(1, 28529553), (3, 9509851), (13, 2194581), (17, 1678209), (37, 771069), (39, 731527), (51, 559403), (111, 257023), (221, 129093), (481, 59313), (629, 45357), (663, 43031), (1163, 24531), (1443, 19771), (1887, 15119), (3489, 8177)]