421911

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{181}}^1$

素因数の和:231

約数の個数: 24

約数和(自身を含む): 719264

約数和(自身を除く): 297353

約数列:

[1, 3, 7, 9, 21, 37, 63, 111, 181, 259, 333, 543, 777, 1267, 1629, 2331, 3801, 6697, 11403, 20091, 46879, 60273, 140637, 421911]

約数ペア:

[(1, 421911), (3, 140637), (7, 60273), (9, 46879), (21, 20091), (37, 11403), (63, 6697), (111, 3801), (181, 2331), (259, 1629), (333, 1267), (543, 777)]