662337

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1$

素因数の和:79

約数の個数: 40

約数和(自身を含む): 1158696

約数和(自身を除く): 496359

約数列:

[1, 3, 9, 13, 17, 27, 37, 39, 51, 81, 111, 117, 153, 221, 333, 351, 459, 481, 629, 663, 999, 1053, 1377, 1443, 1887, 1989, 2997, 4329, 5661, 5967, 8177, 12987, 16983, 17901, 24531, 38961, 50949, 73593, 220779, 662337]

約数ペア:

[(1, 662337), (3, 220779), (9, 73593), (13, 50949), (17, 38961), (27, 24531), (37, 17901), (39, 16983), (51, 12987), (81, 8177), (111, 5967), (117, 5661), (153, 4329), (221, 2997), (333, 1989), (351, 1887), (459, 1443), (481, 1377), (629, 1053), (663, 999)]