1213830015

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1881907}}^1$

素因数の和:1881958

約数の個数: 16

約数和(自身を含む): 1987294848

約数和(自身を除く): 773464833

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 1881907, 5645721, 9409535, 28228605, 80922001, 242766003, 404610005, 1213830015]

約数ペア:

[(1, 1213830015), (3, 404610005), (5, 242766003), (15, 80922001), (43, 28228605), (129, 9409535), (215, 5645721), (645, 1881907)]