890392461

素因数分解:

$3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1\times {\mathrm{5639}}^1$

素因数の和:5825

約数の個数: 32

約数和(自身を含む): 1388974080

約数和(自身を除く): 498581619

約数列:

[1, 3, 7, 21, 73, 103, 219, 309, 511, 721, 1533, 2163, 5639, 7519, 16917, 22557, 39473, 52633, 118419, 157899, 411647, 580817, 1234941, 1742451, 2881529, 4065719, 8644587, 12197157, 42399641, 127198923, 296797487, 890392461]

約数ペア:

[(1, 890392461), (3, 296797487), (7, 127198923), (21, 42399641), (73, 12197157), (103, 8644587), (219, 4065719), (309, 2881529), (511, 1742451), (721, 1234941), (1533, 580817), (2163, 411647), (5639, 157899), (7519, 118419), (16917, 52633), (22557, 39473)]