81322731

素因数分解:

$3^3\times 7^1\times {\mathrm{430279}}^1$

素因数の和:430295

約数の個数: 16

約数和(自身を含む): 137689600

約数和(自身を除く): 56366869

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 430279, 1290837, 3011953, 3872511, 9035859, 11617533, 27107577, 81322731]

約数ペア:

[(1, 81322731), (3, 27107577), (7, 11617533), (9, 9035859), (21, 3872511), (27, 3011953), (63, 1290837), (189, 430279)]