1320025

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{397}}^1$

素因数の和:433

約数の個数: 24

約数和(自身を含む): 1974080

約数和(自身を除く): 654055

約数列:

[1, 5, 7, 19, 25, 35, 95, 133, 175, 397, 475, 665, 1985, 2779, 3325, 7543, 9925, 13895, 37715, 52801, 69475, 188575, 264005, 1320025]

約数ペア:

[(1, 1320025), (5, 264005), (7, 188575), (19, 69475), (25, 52801), (35, 37715), (95, 13895), (133, 9925), (175, 7543), (397, 3325), (475, 2779), (665, 1985)]