1242915

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:139

約数の個数: 32

約数和(自身を含む): 2128896

約数和(自身を除く): 885981

約数列:

[1, 3, 5, 15, 41, 43, 47, 123, 129, 141, 205, 215, 235, 615, 645, 705, 1763, 1927, 2021, 5289, 5781, 6063, 8815, 9635, 10105, 26445, 28905, 30315, 82861, 248583, 414305, 1242915]

約数ペア:

[(1, 1242915), (3, 414305), (5, 248583), (15, 82861), (41, 30315), (43, 28905), (47, 26445), (123, 10105), (129, 9635), (141, 8815), (205, 6063), (215, 5781), (235, 5289), (615, 2021), (645, 1927), (705, 1763)]