351640317

素因数分解:

$3^1\times 7^2\times {\mathrm{439}}^1\times {\mathrm{5449}}^1$

素因数の和:5905

約数の個数: 24

約数和(自身を含む): 546744000

約数和(自身を除く): 195103683

約数列:

[1, 3, 7, 21, 49, 147, 439, 1317, 3073, 5449, 9219, 16347, 21511, 38143, 64533, 114429, 267001, 801003, 2392111, 7176333, 16744777, 50234331, 117213439, 351640317]

約数ペア:

[(1, 351640317), (3, 117213439), (7, 50234331), (21, 16744777), (49, 7176333), (147, 2392111), (439, 801003), (1317, 267001), (3073, 114429), (5449, 64533), (9219, 38143), (16347, 21511)]