81628521

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{233}}^1\times {\mathrm{691}}^1$

素因数の和:953

約数の個数: 24

約数和(自身を含む): 118531296

約数和(自身を除く): 36902775

約数列:

[1, 3, 13, 39, 169, 233, 507, 691, 699, 2073, 3029, 8983, 9087, 26949, 39377, 116779, 118131, 161003, 350337, 483009, 2093039, 6279117, 27209507, 81628521]

約数ペア:

[(1, 81628521), (3, 27209507), (13, 6279117), (39, 2093039), (169, 483009), (233, 350337), (507, 161003), (691, 118131), (699, 116779), (2073, 39377), (3029, 26949), (8983, 9087)]