81918369

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{17077}}^1$

素因数の和:17137

約数の個数: 24

約数和(自身を含む): 130544232

約数和(自身を除く): 48625863

約数列:

[1, 3, 9, 13, 39, 41, 117, 123, 369, 533, 1599, 4797, 17077, 51231, 153693, 222001, 666003, 700157, 1998009, 2100471, 6301413, 9102041, 27306123, 81918369]

約数ペア:

[(1, 81918369), (3, 27306123), (9, 9102041), (13, 6301413), (39, 2100471), (41, 1998009), (117, 700157), (123, 666003), (369, 222001), (533, 153693), (1599, 51231), (4797, 17077)]