1739997

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{389}}^1$

素因数の和:473

約数の個数: 24

約数和(自身を含む): 2920320

約数和(自身を除く): 1180323

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 389, 497, 639, 1167, 1491, 2723, 3501, 4473, 8169, 24507, 27619, 82857, 193333, 248571, 579999, 1739997]

約数ペア:

[(1, 1739997), (3, 579999), (7, 248571), (9, 193333), (21, 82857), (63, 27619), (71, 24507), (213, 8169), (389, 4473), (497, 3501), (639, 2723), (1167, 1491)]