279679917

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1\times {\mathrm{769}}^1$

素因数の和:993

約数の個数: 32

約数和(自身を含む): 415134720

約数和(自身を除く): 135454803

約数列:

[1, 3, 11, 33, 103, 107, 309, 321, 769, 1133, 1177, 2307, 3399, 3531, 8459, 11021, 25377, 33063, 79207, 82283, 121231, 237621, 246849, 363693, 871277, 905113, 2613831, 2715339, 8475149, 25425447, 93226639, 279679917]

約数ペア:

[(1, 279679917), (3, 93226639), (11, 25425447), (33, 8475149), (103, 2715339), (107, 2613831), (309, 905113), (321, 871277), (769, 363693), (1133, 246849), (1177, 237621), (2307, 121231), (3399, 82283), (3531, 79207), (8459, 33063), (11021, 25377)]