31231818

素因数分解:

$2^1\times 3^6\times {\mathrm{31}}^1\times {\mathrm{691}}^1$

素因数の和:742

約数の個数: 56

約数和(自身を含む): 72610176

約数和(自身を除く): 41378358

約数列:

[1, 2, 3, 6, 9, 18, 27, 31, 54, 62, 81, 93, 162, 186, 243, 279, 486, 558, 691, 729, 837, 1382, 1458, 1674, 2073, 2511, 4146, 5022, 6219, 7533, 12438, 15066, 18657, 21421, 22599, 37314, 42842, 45198, 55971, 64263, 111942, 128526, 167913, 192789, 335826, 385578, 503739, 578367, 1007478, 1156734, 1735101, 3470202, 5205303, 10410606, 15615909, 31231818]

約数ペア:

[(1, 31231818), (2, 15615909), (3, 10410606), (6, 5205303), (9, 3470202), (18, 1735101), (27, 1156734), (31, 1007478), (54, 578367), (62, 503739), (81, 385578), (93, 335826), (162, 192789), (186, 167913), (243, 128526), (279, 111942), (486, 64263), (558, 55971), (691, 45198), (729, 42842), (837, 37314), (1382, 22599), (1458, 21421), (1674, 18657), (2073, 15066), (2511, 12438), (4146, 7533), (5022, 6219)]