20131121445

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{31211041}}^1$

素因数の和:31211092

約数の個数: 16

約数和(自身を含む): 32958860352

約数和(自身を除く): 12827738907

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 31211041, 93633123, 156055205, 468165615, 1342074763, 4026224289, 6710373815, 20131121445]

約数ペア:

[(1, 20131121445), (3, 6710373815), (5, 4026224289), (15, 1342074763), (43, 468165615), (129, 156055205), (215, 93633123), (645, 31211041)]