257082945

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{811}}^1\times {\mathrm{3019}}^1$

素因数の和:3845

約数の個数: 32

約数和(自身を含む): 470830080

約数和(自身を除く): 213747135

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 811, 2433, 3019, 4055, 5677, 9057, 12165, 15095, 17031, 21133, 28385, 45285, 63399, 85155, 105665, 316995, 2448409, 7345227, 12242045, 17138863, 36726135, 51416589, 85694315, 257082945]

約数ペア:

[(1, 257082945), (3, 85694315), (5, 51416589), (7, 36726135), (15, 17138863), (21, 12242045), (35, 7345227), (105, 2448409), (811, 316995), (2433, 105665), (3019, 85155), (4055, 63399), (5677, 45285), (9057, 28385), (12165, 21133), (15095, 17031)]