28266903

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{26393}}^1$

素因数の和:26423

約数の個数: 24

約数和(自身を含む): 49409568

約数和(自身を除く): 21142665

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071, 26393, 79179, 184751, 237537, 448681, 554253, 1346043, 1662759, 3140767, 4038129, 9422301, 28266903]

約数ペア:

[(1, 28266903), (3, 9422301), (7, 4038129), (9, 3140767), (17, 1662759), (21, 1346043), (51, 554253), (63, 448681), (119, 237537), (153, 184751), (357, 79179), (1071, 26393)]