215008263

素因数分解:

$3^4\times {\mathrm{83}}^1\times {\mathrm{31981}}^1$

素因数の和:32076

約数の個数: 20

約数和(自身を含む): 325065048

約数和(自身を除く): 110056785

約数列:

[1, 3, 9, 27, 81, 83, 249, 747, 2241, 6723, 31981, 95943, 287829, 863487, 2590461, 2654423, 7963269, 23889807, 71669421, 215008263]

約数ペア:

[(1, 215008263), (3, 71669421), (9, 23889807), (27, 7963269), (81, 2654423), (83, 2590461), (249, 863487), (747, 287829), (2241, 95943), (6723, 31981)]