72743643

素因数分解:

$3^3\times 7^1\times {\mathrm{557}}^1\times {\mathrm{691}}^1$

素因数の和:1264

約数の個数: 32

約数和(自身を含む): 123563520

約数和(自身を除く): 50819877

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 557, 691, 1671, 2073, 3899, 4837, 5013, 6219, 11697, 14511, 15039, 18657, 35091, 43533, 105273, 130599, 384887, 1154661, 2694209, 3463983, 8082627, 10391949, 24247881, 72743643]

約数ペア:

[(1, 72743643), (3, 24247881), (7, 10391949), (9, 8082627), (21, 3463983), (27, 2694209), (63, 1154661), (189, 384887), (557, 130599), (691, 105273), (1671, 43533), (2073, 35091), (3899, 18657), (4837, 15039), (5013, 14511), (6219, 11697)]