1213373355

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1881199}}^1$

素因数の和:1881250

約数の個数: 16

約数和(自身を含む): 1986547200

約数和(自身を除く): 773173845

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 1881199, 5643597, 9405995, 28217985, 80891557, 242674671, 404457785, 1213373355]

約数ペア:

[(1, 1213373355), (3, 404457785), (5, 242674671), (15, 80891557), (43, 28217985), (129, 9405995), (215, 5643597), (645, 1881199)]