72804009

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{281}}^1\times {\mathrm{1289}}^1$

素因数の和:1640

約数の個数: 16

約数和(自身を含む): 98948160

約数和(自身を除く): 26144151

約数列:

[1, 3, 67, 201, 281, 843, 1289, 3867, 18827, 56481, 86363, 259089, 362209, 1086627, 24268003, 72804009]

約数ペア:

[(1, 72804009), (3, 24268003), (67, 1086627), (201, 362209), (281, 259089), (843, 86363), (1289, 56481), (3867, 18827)]