2050815

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{809}}^1$

素因数の和:843

約数の個数: 24

約数和(自身を含む): 3557520

約数和(自身を除く): 1506705

約数列:

[1, 3, 5, 13, 15, 39, 65, 169, 195, 507, 809, 845, 2427, 2535, 4045, 10517, 12135, 31551, 52585, 136721, 157755, 410163, 683605, 2050815]

約数ペア:

[(1, 2050815), (3, 683605), (5, 410163), (13, 157755), (15, 136721), (39, 52585), (65, 31551), (169, 12135), (195, 10517), (507, 4045), (809, 2535), (845, 2427)]