205945179

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{197}}^1\times {\mathrm{401}}^1$

素因数の和:691

約数の個数: 32

約数和(自身を含む): 305648640

約数和(自身を除く): 99703461

約数列:

[1, 3, 11, 33, 79, 197, 237, 401, 591, 869, 1203, 2167, 2607, 4411, 6501, 13233, 15563, 31679, 46689, 78997, 95037, 171193, 236991, 348469, 513579, 868967, 1045407, 2606901, 6240763, 18722289, 68648393, 205945179]

約数ペア:

[(1, 205945179), (3, 68648393), (11, 18722289), (33, 6240763), (79, 2606901), (197, 1045407), (237, 868967), (401, 513579), (591, 348469), (869, 236991), (1203, 171193), (2167, 95037), (2607, 78997), (4411, 46689), (6501, 31679), (13233, 15563)]