397351395

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{26839}}^1$

素因数の和:26904

約数の個数: 48

約数和(自身を含む): 803911680

約数和(自身を除く): 406560285

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 47, 63, 105, 141, 235, 315, 329, 423, 705, 987, 1645, 2115, 2961, 4935, 14805, 26839, 80517, 134195, 187873, 241551, 402585, 563619, 939365, 1207755, 1261433, 1690857, 2818095, 3784299, 6307165, 8454285, 8830031, 11352897, 18921495, 26490093, 44150155, 56764485, 79470279, 132450465, 397351395]

約数ペア:

[(1, 397351395), (3, 132450465), (5, 79470279), (7, 56764485), (9, 44150155), (15, 26490093), (21, 18921495), (35, 11352897), (45, 8830031), (47, 8454285), (63, 6307165), (105, 3784299), (141, 2818095), (235, 1690857), (315, 1261433), (329, 1207755), (423, 939365), (705, 563619), (987, 402585), (1645, 241551), (2115, 187873), (2961, 134195), (4935, 80517), (14805, 26839)]