71931993

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{233}}^1\times {\mathrm{241}}^1$

素因数の和:545

約数の個数: 32

約数和(自身を含む): 112349952

約数和(自身を除く): 40417959

約数列:

[1, 3, 7, 21, 61, 183, 233, 241, 427, 699, 723, 1281, 1631, 1687, 4893, 5061, 14213, 14701, 42639, 44103, 56153, 99491, 102907, 168459, 298473, 308721, 393071, 1179213, 3425333, 10275999, 23977331, 71931993]

約数ペア:

[(1, 71931993), (3, 23977331), (7, 10275999), (21, 3425333), (61, 1179213), (183, 393071), (233, 308721), (241, 298473), (427, 168459), (699, 102907), (723, 99491), (1281, 56153), (1631, 44103), (1687, 42639), (4893, 14701), (5061, 14213)]