64643355

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{1259}}^1$

素因数の和:1440

約数の個数: 48

約数和(自身を含む): 128943360

約数和(自身を除く): 64300005

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 163, 315, 489, 815, 1141, 1259, 1467, 2445, 3423, 3777, 5705, 6295, 7335, 8813, 10269, 11331, 17115, 18885, 26439, 44065, 51345, 56655, 79317, 132195, 205217, 396585, 615651, 1026085, 1436519, 1846953, 3078255, 4309557, 7182595, 9234765, 12928671, 21547785, 64643355]

約数ペア:

[(1, 64643355), (3, 21547785), (5, 12928671), (7, 9234765), (9, 7182595), (15, 4309557), (21, 3078255), (35, 1846953), (45, 1436519), (63, 1026085), (105, 615651), (163, 396585), (315, 205217), (489, 132195), (815, 79317), (1141, 56655), (1259, 51345), (1467, 44065), (2445, 26439), (3423, 18885), (3777, 17115), (5705, 11331), (6295, 10269), (7335, 8813)]