520033521

素因数分解:

$3^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{75269}}^1$

素因数の和:75333

約数の個数: 24

約数和(自身を含む): 823754880

約数和(自身を除く): 303721359

約数列:

[1, 3, 7, 21, 47, 49, 141, 147, 329, 987, 2303, 6909, 75269, 225807, 526883, 1580649, 3537643, 3688181, 10612929, 11064543, 24763501, 74290503, 173344507, 520033521]

約数ペア:

[(1, 520033521), (3, 173344507), (7, 74290503), (21, 24763501), (47, 11064543), (49, 10612929), (141, 3688181), (147, 3537643), (329, 1580649), (987, 526883), (2303, 225807), (6909, 75269)]