131486475

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{40771}}^1$

素因数の和:40827

約数の個数: 24

約数和(自身を含む): 222452032

約数和(自身を除く): 90965557

約数列:

[1, 3, 5, 15, 25, 43, 75, 129, 215, 645, 1075, 3225, 40771, 122313, 203855, 611565, 1019275, 1753153, 3057825, 5259459, 8765765, 26297295, 43828825, 131486475]

約数ペア:

[(1, 131486475), (3, 43828825), (5, 26297295), (15, 8765765), (25, 5259459), (43, 3057825), (75, 1753153), (129, 1019275), (215, 611565), (645, 203855), (1075, 122313), (3225, 40771)]