81520219

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{2887}}^1$

素因数の和:3066

約数の個数: 16

約数和(自身を含む): 94818816

約数和(自身を除く): 13298597

約数列:

[1, 11, 17, 151, 187, 1661, 2567, 2887, 28237, 31757, 49079, 435937, 539869, 4795307, 7410929, 81520219]

約数ペア:

[(1, 81520219), (11, 7410929), (17, 4795307), (151, 539869), (187, 435937), (1661, 49079), (2567, 31757), (2887, 28237)]