139777569

素因数分解:

$3^4\times {\mathrm{41}}^1\times {\mathrm{42089}}^1$

素因数の和:42142

約数の個数: 20

約数和(自身を含む): 213901380

約数和(自身を除く): 74123811

約数列:

[1, 3, 9, 27, 41, 81, 123, 369, 1107, 3321, 42089, 126267, 378801, 1136403, 1725649, 3409209, 5176947, 15530841, 46592523, 139777569]

約数ペア:

[(1, 139777569), (3, 46592523), (9, 15530841), (27, 5176947), (41, 3409209), (81, 1725649), (123, 1136403), (369, 378801), (1107, 126267), (3321, 42089)]