31299645

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{12347}}^1$

素因数の和:12381

約数の個数: 24

約数和(自身を含む): 54232416

約数和(自身を除く): 22932771

約数列:

[1, 3, 5, 13, 15, 39, 65, 169, 195, 507, 845, 2535, 12347, 37041, 61735, 160511, 185205, 481533, 802555, 2086643, 2407665, 6259929, 10433215, 31299645]

約数ペア:

[(1, 31299645), (3, 10433215), (5, 6259929), (13, 2407665), (15, 2086643), (39, 802555), (65, 481533), (169, 185205), (195, 160511), (507, 61735), (845, 37041), (2535, 12347)]