81471447

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{81553}}^1$

素因数の和:81599

約数の個数: 16

約数和(自身を含む): 123962080

約数和(自身を除く): 42490633

約数列:

[1, 3, 9, 27, 37, 111, 333, 999, 81553, 244659, 733977, 2201931, 3017461, 9052383, 27157149, 81471447]

約数ペア:

[(1, 81471447), (3, 27157149), (9, 9052383), (27, 3017461), (37, 2201931), (111, 733977), (333, 244659), (999, 81553)]