2578653

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^2$

素因数の和:146

約数の個数: 36

約数和(自身を含む): 4721184

約数和(自身を除く): 2142531

約数列:

[1, 3, 7, 9, 11, 21, 33, 61, 63, 77, 99, 183, 231, 427, 549, 671, 693, 1281, 2013, 3721, 3843, 4697, 6039, 11163, 14091, 26047, 33489, 40931, 42273, 78141, 122793, 234423, 286517, 368379, 859551, 2578653]

約数ペア:

[(1, 2578653), (3, 859551), (7, 368379), (9, 286517), (11, 234423), (21, 122793), (33, 78141), (61, 42273), (63, 40931), (77, 33489), (99, 26047), (183, 14091), (231, 11163), (427, 6039), (549, 4697), (671, 3843), (693, 3721), (1281, 2013)]