215685081

素因数分解:

$3^2\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{2999}}^1$

素因数の和:3197

約数の個数: 24

約数和(自身を含む): 319176000

約数和(自身を除く): 103490919

約数列:

[1, 3, 9, 61, 131, 183, 393, 549, 1179, 2999, 7991, 8997, 23973, 26991, 71919, 182939, 392869, 548817, 1178607, 1646451, 3535821, 23965009, 71895027, 215685081]

約数ペア:

[(1, 215685081), (3, 71895027), (9, 23965009), (61, 3535821), (131, 1646451), (183, 1178607), (393, 548817), (549, 392869), (1179, 182939), (2999, 71919), (7991, 26991), (8997, 23973)]