31305906

素因数分解:

$2^1\times 3^3\times {\mathrm{29}}^1\times {\mathrm{19991}}^1$

素因数の和:20031

約数の個数: 32

約数和(自身を含む): 71971200

約数和(自身を除く): 40665294

約数列:

[1, 2, 3, 6, 9, 18, 27, 29, 54, 58, 87, 174, 261, 522, 783, 1566, 19991, 39982, 59973, 119946, 179919, 359838, 539757, 579739, 1079514, 1159478, 1739217, 3478434, 5217651, 10435302, 15652953, 31305906]

約数ペア:

[(1, 31305906), (2, 15652953), (3, 10435302), (6, 5217651), (9, 3478434), (18, 1739217), (27, 1159478), (29, 1079514), (54, 579739), (58, 539757), (87, 359838), (174, 179919), (261, 119946), (522, 59973), (783, 39982), (1566, 19991)]