31605

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{43}}^1$

素因数の和:65

約数の個数: 24

約数和(自身を含む): 60192

約数和(自身を除く): 28587

約数列:

[1, 3, 5, 7, 15, 21, 35, 43, 49, 105, 129, 147, 215, 245, 301, 645, 735, 903, 1505, 2107, 4515, 6321, 10535, 31605]

約数ペア:

[(1, 31605), (3, 10535), (5, 6321), (7, 4515), (15, 2107), (21, 1505), (35, 903), (43, 735), (49, 645), (105, 301), (129, 245), (147, 215)]