318217137

素因数分解:

$3^1\times 7^1\times {\mathrm{821}}^1\times {\mathrm{18457}}^1$

素因数の和:19288

約数の個数: 16

約数和(自身を含む): 485519232

約数和(自身を除く): 167302095

約数列:

[1, 3, 7, 21, 821, 2463, 5747, 17241, 18457, 55371, 129199, 387597, 15153197, 45459591, 106072379, 318217137]

約数ペア:

[(1, 318217137), (3, 106072379), (7, 45459591), (21, 15153197), (821, 387597), (2463, 129199), (5747, 55371), (17241, 18457)]