12657561

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{241}}^1$

素因数の和:353

約数の個数: 32

約数和(自身を含む): 20165376

約数和(自身を除く): 7507815

約数列:

[1, 3, 7, 21, 41, 61, 123, 183, 241, 287, 427, 723, 861, 1281, 1687, 2501, 5061, 7503, 9881, 14701, 17507, 29643, 44103, 52521, 69167, 102907, 207501, 308721, 602741, 1808223, 4219187, 12657561]

約数ペア:

[(1, 12657561), (3, 4219187), (7, 1808223), (21, 602741), (41, 308721), (61, 207501), (123, 102907), (183, 69167), (241, 52521), (287, 44103), (427, 29643), (723, 17507), (861, 14701), (1281, 9881), (1687, 7503), (2501, 5061)]