972111

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{389}}^1$

素因数の和:423

約数の個数: 24

約数和(自身を含む): 1600560

約数和(自身を除く): 628449

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 147, 357, 389, 833, 1167, 2499, 2723, 6613, 8169, 19061, 19839, 46291, 57183, 138873, 324037, 972111]

約数ペア:

[(1, 972111), (3, 324037), (7, 138873), (17, 57183), (21, 46291), (49, 19839), (51, 19061), (119, 8169), (147, 6613), (357, 2723), (389, 2499), (833, 1167)]