71491761

素因数分解:

$3^3\times {\mathrm{11}}^2\times {\mathrm{79}}^1\times {\mathrm{277}}^1$

素因数の和:387

約数の個数: 48

約数和(自身を含む): 118316800

約数和(自身を除く): 46825039

約数列:

[1, 3, 9, 11, 27, 33, 79, 99, 121, 237, 277, 297, 363, 711, 831, 869, 1089, 2133, 2493, 2607, 3047, 3267, 7479, 7821, 9141, 9559, 21883, 23463, 27423, 28677, 33517, 65649, 82269, 86031, 100551, 196947, 240713, 258093, 301653, 590841, 722139, 904959, 2166417, 2647843, 6499251, 7943529, 23830587, 71491761]

約数ペア:

[(1, 71491761), (3, 23830587), (9, 7943529), (11, 6499251), (27, 2647843), (33, 2166417), (79, 904959), (99, 722139), (121, 590841), (237, 301653), (277, 258093), (297, 240713), (363, 196947), (711, 100551), (831, 86031), (869, 82269), (1089, 65649), (2133, 33517), (2493, 28677), (2607, 27423), (3047, 23463), (3267, 21883), (7479, 9559), (7821, 9141)]