4021569

素因数分解:

$3^4\times {\mathrm{131}}^1\times {\mathrm{379}}^1$

素因数の和:522

約数の個数: 20

約数和(自身を含む): 6069360

約数和(自身を除く): 2047791

約数列:

[1, 3, 9, 27, 81, 131, 379, 393, 1137, 1179, 3411, 3537, 10233, 10611, 30699, 49649, 148947, 446841, 1340523, 4021569]

約数ペア:

[(1, 4021569), (3, 1340523), (9, 446841), (27, 148947), (81, 49649), (131, 30699), (379, 10611), (393, 10233), (1137, 3537), (1179, 3411)]