17942673

素因数分解:

$3^1\times 7^4\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:131

約数の個数: 40

約数和(自身を含む): 29040768

約数和(自身を除く): 11098095

約数列:

[1, 3, 7, 21, 47, 49, 53, 141, 147, 159, 329, 343, 371, 987, 1029, 1113, 2303, 2401, 2491, 2597, 6909, 7203, 7473, 7791, 16121, 17437, 18179, 48363, 52311, 54537, 112847, 122059, 127253, 338541, 366177, 381759, 854413, 2563239, 5980891, 17942673]

約数ペア:

[(1, 17942673), (3, 5980891), (7, 2563239), (21, 854413), (47, 381759), (49, 366177), (53, 338541), (141, 127253), (147, 122059), (159, 112847), (329, 54537), (343, 52311), (371, 48363), (987, 18179), (1029, 17437), (1113, 16121), (2303, 7791), (2401, 7473), (2491, 7203), (2597, 6909)]