27646731

素因数分解:

$3^3\times 7^2\times {\mathrm{20897}}^1$

素因数の和:20920

約数の個数: 24

約数和(自身を含む): 47647440

約数和(自身を除く): 20000709

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 20897, 62691, 146279, 188073, 438837, 564219, 1023953, 1316511, 3071859, 3949533, 9215577, 27646731]

約数ペア:

[(1, 27646731), (3, 9215577), (7, 3949533), (9, 3071859), (21, 1316511), (27, 1023953), (49, 564219), (63, 438837), (147, 188073), (189, 146279), (441, 62691), (1323, 20897)]