189958419

素因数分解:

$3^3\times 7^1\times {\mathrm{1005071}}^1$

素因数の和:1005087

約数の個数: 16

約数和(自身を含む): 321623040

約数和(自身を除く): 131664621

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 1005071, 3015213, 7035497, 9045639, 21106491, 27136917, 63319473, 189958419]

約数ペア:

[(1, 189958419), (3, 63319473), (7, 27136917), (9, 21106491), (21, 9045639), (27, 7035497), (63, 3015213), (189, 1005071)]