420199317

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{18743}}^1$

素因数の和:18849

約数の個数: 24

約数和(自身を含む): 631597824

約数和(自身を除く): 211398507

約数列:

[1, 3, 9, 47, 53, 141, 159, 423, 477, 2491, 7473, 18743, 22419, 56229, 168687, 880921, 993379, 2642763, 2980137, 7928289, 8940411, 46688813, 140066439, 420199317]

約数ペア:

[(1, 420199317), (3, 140066439), (9, 46688813), (47, 8940411), (53, 7928289), (141, 2980137), (159, 2642763), (423, 993379), (477, 880921), (2491, 168687), (7473, 56229), (18743, 22419)]