68380347

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{2389}}^1$

素因数の和:2475

約数の個数: 32

約数和(自身を含む): 110131200

約数和(自身を除く): 41750853

約数列:

[1, 3, 7, 21, 29, 47, 87, 141, 203, 329, 609, 987, 1363, 2389, 4089, 7167, 9541, 16723, 28623, 50169, 69281, 112283, 207843, 336849, 484967, 785981, 1454901, 2357943, 3256207, 9768621, 22793449, 68380347]

約数ペア:

[(1, 68380347), (3, 22793449), (7, 9768621), (21, 3256207), (29, 2357943), (47, 1454901), (87, 785981), (141, 484967), (203, 336849), (329, 207843), (609, 112283), (987, 69281), (1363, 50169), (2389, 28623), (4089, 16723), (7167, 9541)]