649367061

素因数分解:

$3^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{163}}^1\times {\mathrm{661}}^1$

素因数の和:882

約数の個数: 48

約数和(自身を含む): 1039647168

約数和(自身を除く): 390280107

約数列:

[1, 3, 7, 21, 41, 49, 123, 147, 163, 287, 489, 661, 861, 1141, 1983, 2009, 3423, 4627, 6027, 6683, 7987, 13881, 20049, 23961, 27101, 32389, 46781, 81303, 97167, 107743, 140343, 189707, 323229, 327467, 569121, 754201, 982401, 1327949, 2262603, 3983847, 4417463, 5279407, 13252389, 15838221, 30922241, 92766723, 216455687, 649367061]

約数ペア:

[(1, 649367061), (3, 216455687), (7, 92766723), (21, 30922241), (41, 15838221), (49, 13252389), (123, 5279407), (147, 4417463), (163, 3983847), (287, 2262603), (489, 1327949), (661, 982401), (861, 754201), (1141, 569121), (1983, 327467), (2009, 323229), (3423, 189707), (4627, 140343), (6027, 107743), (6683, 97167), (7987, 81303), (13881, 46781), (20049, 32389), (23961, 27101)]