47678787

素因数分解:

$3^8\times {\mathrm{13}}^2\times {\mathrm{43}}^1$

素因数の和:93

約数の個数: 54

約数和(自身を含む): 79239732

約数和(自身を除く): 31560945

約数列:

[1, 3, 9, 13, 27, 39, 43, 81, 117, 129, 169, 243, 351, 387, 507, 559, 729, 1053, 1161, 1521, 1677, 2187, 3159, 3483, 4563, 5031, 6561, 7267, 9477, 10449, 13689, 15093, 21801, 28431, 31347, 41067, 45279, 65403, 85293, 94041, 123201, 135837, 196209, 282123, 369603, 407511, 588627, 1108809, 1222533, 1765881, 3667599, 5297643, 15892929, 47678787]

約数ペア:

[(1, 47678787), (3, 15892929), (9, 5297643), (13, 3667599), (27, 1765881), (39, 1222533), (43, 1108809), (81, 588627), (117, 407511), (129, 369603), (169, 282123), (243, 196209), (351, 135837), (387, 123201), (507, 94041), (559, 85293), (729, 65403), (1053, 45279), (1161, 41067), (1521, 31347), (1677, 28431), (2187, 21801), (3159, 15093), (3483, 13689), (4563, 10449), (5031, 9477), (6561, 7267)]