16939791

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{1231}}^1$

素因数の和:1387

約数の個数: 24

約数和(自身を含む): 26906880

約数和(自身を除く): 9967089

約数列:

[1, 3, 9, 11, 33, 99, 139, 417, 1231, 1251, 1529, 3693, 4587, 11079, 13541, 13761, 40623, 121869, 171109, 513327, 1539981, 1882199, 5646597, 16939791]

約数ペア:

[(1, 16939791), (3, 5646597), (9, 1882199), (11, 1539981), (33, 513327), (99, 171109), (139, 121869), (417, 40623), (1231, 13761), (1251, 13541), (1529, 11079), (3693, 4587)]