8131815

素因数分解:

$3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{1151}}^1$

素因数の和:1319

約数の個数: 24

約数和(自身を含む): 14197248

約数和(自身を除く): 6065433

約数列:

[1, 3, 5, 9, 15, 45, 157, 471, 785, 1151, 1413, 2355, 3453, 5755, 7065, 10359, 17265, 51795, 180707, 542121, 903535, 1626363, 2710605, 8131815]

約数ペア:

[(1, 8131815), (3, 2710605), (5, 1626363), (9, 903535), (15, 542121), (45, 180707), (157, 51795), (471, 17265), (785, 10359), (1151, 7065), (1413, 5755), (2355, 3453)]