13431215

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{12379}}^1$

素因数の和:12422

約数の個数: 16

約数和(自身を含む): 19015680

約数和(自身を除く): 5584465

約数列:

[1, 5, 7, 31, 35, 155, 217, 1085, 12379, 61895, 86653, 383749, 433265, 1918745, 2686243, 13431215]

約数ペア:

[(1, 13431215), (5, 2686243), (7, 1918745), (31, 433265), (35, 383749), (155, 86653), (217, 61895), (1085, 12379)]