389618145

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{1236883}}^1$

素因数の和:1236901

約数の個数: 24

約数和(自身を含む): 771815616

約数和(自身を除く): 382197471

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 1236883, 3710649, 6184415, 8658181, 11131947, 18553245, 25974543, 43290905, 55659735, 77923629, 129872715, 389618145]

約数ペア:

[(1, 389618145), (3, 129872715), (5, 77923629), (7, 55659735), (9, 43290905), (15, 25974543), (21, 18553245), (35, 11131947), (45, 8658181), (63, 6184415), (105, 3710649), (315, 1236883)]