87954741

素因数分解:

$3^4\times 7^1\times {\mathrm{61}}^1\times {\mathrm{2543}}^1$

素因数の和:2623

約数の個数: 40

約数和(自身を含む): 152680704

約数和(自身を除く): 64725963

約数列:

[1, 3, 7, 9, 21, 27, 61, 63, 81, 183, 189, 427, 549, 567, 1281, 1647, 2543, 3843, 4941, 7629, 11529, 17801, 22887, 34587, 53403, 68661, 155123, 160209, 205983, 465369, 480627, 1085861, 1396107, 1441881, 3257583, 4188321, 9772749, 12564963, 29318247, 87954741]

約数ペア:

[(1, 87954741), (3, 29318247), (7, 12564963), (9, 9772749), (21, 4188321), (27, 3257583), (61, 1441881), (63, 1396107), (81, 1085861), (183, 480627), (189, 465369), (427, 205983), (549, 160209), (567, 155123), (1281, 68661), (1647, 53403), (2543, 34587), (3843, 22887), (4941, 17801), (7629, 11529)]