2987425

素因数分解:

$5^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{397}}^1$

素因数の和:457

約数の個数: 24

約数和(自身を含む): 4342976

約数和(自身を除く): 1355551

約数列:

[1, 5, 7, 25, 35, 43, 175, 215, 301, 397, 1075, 1505, 1985, 2779, 7525, 9925, 13895, 17071, 69475, 85355, 119497, 426775, 597485, 2987425]

約数ペア:

[(1, 2987425), (5, 597485), (7, 426775), (25, 119497), (35, 85355), (43, 69475), (175, 17071), (215, 13895), (301, 9925), (397, 7525), (1075, 2779), (1505, 1985)]