28265835

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{3371}}^1$

素因数の和:3435

約数の個数: 32

約数和(自身を含む): 49851648

約数和(自身を除く): 21585813

約数列:

[1, 3, 5, 13, 15, 39, 43, 65, 129, 195, 215, 559, 645, 1677, 2795, 3371, 8385, 10113, 16855, 43823, 50565, 131469, 144953, 219115, 434859, 657345, 724765, 1884389, 2174295, 5653167, 9421945, 28265835]

約数ペア:

[(1, 28265835), (3, 9421945), (5, 5653167), (13, 2174295), (15, 1884389), (39, 724765), (43, 657345), (65, 434859), (129, 219115), (195, 144953), (215, 131469), (559, 50565), (645, 43823), (1677, 16855), (2795, 10113), (3371, 8385)]