28761777

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{857}}^1$

素因数の和:990

約数の個数: 32

約数和(自身を含む): 46949760

約数和(自身を除く): 18187983

約数列:

[1, 3, 9, 11, 27, 33, 99, 113, 297, 339, 857, 1017, 1243, 2571, 3051, 3729, 7713, 9427, 11187, 23139, 28281, 33561, 84843, 96841, 254529, 290523, 871569, 1065251, 2614707, 3195753, 9587259, 28761777]

約数ペア:

[(1, 28761777), (3, 9587259), (9, 3195753), (11, 2614707), (27, 1065251), (33, 871569), (99, 290523), (113, 254529), (297, 96841), (339, 84843), (857, 33561), (1017, 28281), (1243, 23139), (2571, 11187), (3051, 9427), (3729, 7713)]