389277

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{167}}^1$

素因数の和:217

約数の個数: 24

約数和(自身を含む): 663936

約数和(自身を除く): 274659

約数列:

[1, 3, 7, 9, 21, 37, 63, 111, 167, 259, 333, 501, 777, 1169, 1503, 2331, 3507, 6179, 10521, 18537, 43253, 55611, 129759, 389277]

約数ペア:

[(1, 389277), (3, 129759), (7, 55611), (9, 43253), (21, 18537), (37, 10521), (63, 6179), (111, 3507), (167, 2331), (259, 1503), (333, 1169), (501, 777)]