31124511

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{293}}^1$

素因数の和:376

約数の個数: 48

約数和(自身を含む): 52284960

約数和(自身を除く): 21160449

約数列:

[1, 3, 9, 11, 29, 33, 37, 87, 99, 111, 261, 293, 319, 333, 407, 879, 957, 1073, 1221, 2637, 2871, 3219, 3223, 3663, 8497, 9657, 9669, 10841, 11803, 25491, 29007, 32523, 35409, 76473, 93467, 97569, 106227, 119251, 280401, 314389, 357753, 841203, 943167, 1073259, 2829501, 3458279, 10374837, 31124511]

約数ペア:

[(1, 31124511), (3, 10374837), (9, 3458279), (11, 2829501), (29, 1073259), (33, 943167), (37, 841203), (87, 357753), (99, 314389), (111, 280401), (261, 119251), (293, 106227), (319, 97569), (333, 93467), (407, 76473), (879, 35409), (957, 32523), (1073, 29007), (1221, 25491), (2637, 11803), (2871, 10841), (3219, 9669), (3223, 9657), (3663, 8497)]