80137197

素因数分解:

$3^2\times 7^2\times {\mathrm{181717}}^1$

素因数の和:181737

約数の個数: 18

約数和(自身を含む): 134653038

約数和(自身を除く): 54515841

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 181717, 545151, 1272019, 1635453, 3816057, 8904133, 11448171, 26712399, 80137197]

約数ペア:

[(1, 80137197), (3, 26712399), (7, 11448171), (9, 8904133), (21, 3816057), (49, 1635453), (63, 1272019), (147, 545151), (441, 181717)]