21180863043

素因数分解:

$3^3\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{154943}}^1$

素因数の和:155096

約数の個数: 32

約数和(自身を含む): 32277934080

約数和(自身を除く): 11097071037

約数列:

[1, 3, 9, 27, 61, 83, 183, 249, 549, 747, 1647, 2241, 5063, 15189, 45567, 136701, 154943, 464829, 1394487, 4183461, 9451523, 12860269, 28354569, 38580807, 85063707, 115742421, 255191121, 347227263, 784476409, 2353429227, 7060287681, 21180863043]

約数ペア:

[(1, 21180863043), (3, 7060287681), (9, 2353429227), (27, 784476409), (61, 347227263), (83, 255191121), (183, 115742421), (249, 85063707), (549, 38580807), (747, 28354569), (1647, 12860269), (2241, 9451523), (5063, 4183461), (15189, 1394487), (45567, 464829), (136701, 154943)]