17920461

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{607}}^1\times {\mathrm{757}}^1$

素因数の和:1380

約数の個数: 16

約数和(自身を含む): 25808384

約数和(自身を除く): 7887923

約数列:

[1, 3, 13, 39, 607, 757, 1821, 2271, 7891, 9841, 23673, 29523, 459499, 1378497, 5973487, 17920461]

約数ペア:

[(1, 17920461), (3, 5973487), (13, 1378497), (39, 459499), (607, 29523), (757, 23673), (1821, 9841), (2271, 7891)]