81792225

素因数分解:

$3^2\times 5^2\times {\mathrm{113}}^1\times {\mathrm{3217}}^1$

素因数の和:3346

約数の個数: 36

約数和(自身を含む): 147841356

約数和(自身を除く): 66049131

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 113, 225, 339, 565, 1017, 1695, 2825, 3217, 5085, 8475, 9651, 16085, 25425, 28953, 48255, 80425, 144765, 241275, 363521, 723825, 1090563, 1817605, 3271689, 5452815, 9088025, 16358445, 27264075, 81792225]

約数ペア:

[(1, 81792225), (3, 27264075), (5, 16358445), (9, 9088025), (15, 5452815), (25, 3271689), (45, 1817605), (75, 1090563), (113, 723825), (225, 363521), (339, 241275), (565, 144765), (1017, 80425), (1695, 48255), (2825, 28953), (3217, 25425), (5085, 16085), (8475, 9651)]