128977425

素因数分解:

$3^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{13331}}^1$

素因数の和:13390

約数の個数: 36

約数和(自身を含む): 236403024

約数和(自身を除く): 107425599

約数列:

[1, 3, 5, 9, 15, 25, 43, 45, 75, 129, 215, 225, 387, 645, 1075, 1935, 3225, 9675, 13331, 39993, 66655, 119979, 199965, 333275, 573233, 599895, 999825, 1719699, 2866165, 2999475, 5159097, 8598495, 14330825, 25795485, 42992475, 128977425]

約数ペア:

[(1, 128977425), (3, 42992475), (5, 25795485), (9, 14330825), (15, 8598495), (25, 5159097), (43, 2999475), (45, 2866165), (75, 1719699), (129, 999825), (215, 599895), (225, 573233), (387, 333275), (645, 199965), (1075, 119979), (1935, 66655), (3225, 39993), (9675, 13331)]