123234579

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{557}}^1$

素因数の和:668

約数の個数: 48

約数和(自身を含む): 201487104

約数和(自身を除く): 78252525

約数列:

[1, 3, 9, 13, 31, 39, 61, 93, 117, 183, 279, 403, 549, 557, 793, 1209, 1671, 1891, 2379, 3627, 5013, 5673, 7137, 7241, 17019, 17267, 21723, 24583, 33977, 51801, 65169, 73749, 101931, 155403, 221247, 224471, 305793, 441701, 673413, 1053287, 1325103, 2020239, 3159861, 3975309, 9479583, 13692731, 41078193, 123234579]

約数ペア:

[(1, 123234579), (3, 41078193), (9, 13692731), (13, 9479583), (31, 3975309), (39, 3159861), (61, 2020239), (93, 1325103), (117, 1053287), (183, 673413), (279, 441701), (403, 305793), (549, 224471), (557, 221247), (793, 155403), (1209, 101931), (1671, 73749), (1891, 65169), (2379, 51801), (3627, 33977), (5013, 24583), (5673, 21723), (7137, 17267), (7241, 17019)]