400974777

素因数分解:

$3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{1013}}^1$

素因数の和:1190

約数の個数: 48

約数和(自身を含む): 679980288

約数和(自身を除く): 279005511

約数列:

[1, 3, 7, 9, 21, 61, 63, 103, 183, 309, 427, 549, 721, 927, 1013, 1281, 2163, 3039, 3843, 6283, 6489, 7091, 9117, 18849, 21273, 43981, 56547, 61793, 63819, 104339, 131943, 185379, 313017, 395829, 432551, 556137, 730373, 939051, 1297653, 2191119, 3892959, 6364679, 6573357, 19094037, 44552753, 57282111, 133658259, 400974777]

約数ペア:

[(1, 400974777), (3, 133658259), (7, 57282111), (9, 44552753), (21, 19094037), (61, 6573357), (63, 6364679), (103, 3892959), (183, 2191119), (309, 1297653), (427, 939051), (549, 730373), (721, 556137), (927, 432551), (1013, 395829), (1281, 313017), (2163, 185379), (3039, 131943), (3843, 104339), (6283, 63819), (6489, 61793), (7091, 56547), (9117, 43981), (18849, 21273)]