87033947

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{12421}}^1$

素因数の和:12459

約数の個数: 24

約数和(自身を含む): 118953072

約数和(自身を除く): 31919125

約数列:

[1, 7, 11, 13, 49, 77, 91, 143, 539, 637, 1001, 7007, 12421, 86947, 136631, 161473, 608629, 956417, 1130311, 1776203, 6694919, 7912177, 12433421, 87033947]

約数ペア:

[(1, 87033947), (7, 12433421), (11, 7912177), (13, 6694919), (49, 1776203), (77, 1130311), (91, 956417), (143, 608629), (539, 161473), (637, 136631), (1001, 86947), (7007, 12421)]