80821995

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{2099}}^1$

素因数の和:2275

約数の個数: 32

約数和(自身を含む): 137894400

約数和(自身を除く): 57072405

約数列:

[1, 3, 5, 15, 17, 51, 85, 151, 255, 453, 755, 2099, 2265, 2567, 6297, 7701, 10495, 12835, 31485, 35683, 38505, 107049, 178415, 316949, 535245, 950847, 1584745, 4754235, 5388133, 16164399, 26940665, 80821995]

約数ペア:

[(1, 80821995), (3, 26940665), (5, 16164399), (15, 5388133), (17, 4754235), (51, 1584745), (85, 950847), (151, 535245), (255, 316949), (453, 178415), (755, 107049), (2099, 38505), (2265, 35683), (2567, 31485), (6297, 12835), (7701, 10495)]