81919671

素因数分解:

$3^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1\times {\mathrm{3533}}^1$

素因数の和:3726

約数の個数: 16

約数和(自身を含む): 111957120

約数和(自身を除く): 30037449

約数列:

[1, 3, 59, 131, 177, 393, 3533, 7729, 10599, 23187, 208447, 462823, 625341, 1388469, 27306557, 81919671]

約数ペア:

[(1, 81919671), (3, 27306557), (59, 1388469), (131, 625341), (177, 462823), (393, 208447), (3533, 23187), (7729, 10599)]