3986395

素因数分解:

$5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{307}}^1$

素因数の和:379

約数の個数: 24

約数和(自身を含む): 5688144

約数和(自身を除く): 1701749

約数列:

[1, 5, 7, 35, 49, 53, 245, 265, 307, 371, 1535, 1855, 2149, 2597, 10745, 12985, 15043, 16271, 75215, 81355, 113897, 569485, 797279, 3986395]

約数ペア:

[(1, 3986395), (5, 797279), (7, 569485), (35, 113897), (49, 81355), (53, 75215), (245, 16271), (265, 15043), (307, 12985), (371, 10745), (1535, 2597), (1855, 2149)]