205657893

素因数分解:

$3^3\times 7^1\times {\mathrm{59}}^1\times {\mathrm{18443}}^1$

素因数の和:18518

約数の個数: 32

約数和(自身を含む): 354124800

約数和(自身を除く): 148466907

約数列:

[1, 3, 7, 9, 21, 27, 59, 63, 177, 189, 413, 531, 1239, 1593, 3717, 11151, 18443, 55329, 129101, 165987, 387303, 497961, 1088137, 1161909, 3264411, 3485727, 7616959, 9793233, 22850877, 29379699, 68552631, 205657893]

約数ペア:

[(1, 205657893), (3, 68552631), (7, 29379699), (9, 22850877), (21, 9793233), (27, 7616959), (59, 3485727), (63, 3264411), (177, 1161909), (189, 1088137), (413, 497961), (531, 387303), (1239, 165987), (1593, 129101), (3717, 55329), (11151, 18443)]