428749251

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{658601}}^1$

素因数の和:658642

約数の個数: 16

約数和(自身を含む): 674408448

約数和(自身を除く): 245659197

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 658601, 1975803, 4610207, 13830621, 20416631, 61249893, 142916417, 428749251]

約数ペア:

[(1, 428749251), (3, 142916417), (7, 61249893), (21, 20416631), (31, 13830621), (93, 4610207), (217, 1975803), (651, 658601)]