490329

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1$

素因数の和:237

約数の個数: 24

約数和(自身を含む): 832832

約数和(自身を除く): 342503

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 181, 301, 387, 543, 903, 1267, 1629, 2709, 3801, 7783, 11403, 23349, 54481, 70047, 163443, 490329]

約数ペア:

[(1, 490329), (3, 163443), (7, 70047), (9, 54481), (21, 23349), (43, 11403), (63, 7783), (129, 3801), (181, 2709), (301, 1629), (387, 1267), (543, 903)]