28959399

素因数分解:

$3^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{3307}}^1$

素因数の和:3459

約数の個数: 24

約数和(自身を含む): 48164480

約数和(自身を除く): 19205081

約数列:

[1, 3, 7, 9, 21, 63, 139, 417, 973, 1251, 2919, 3307, 8757, 9921, 23149, 29763, 69447, 208341, 459673, 1379019, 3217711, 4137057, 9653133, 28959399]

約数ペア:

[(1, 28959399), (3, 9653133), (7, 4137057), (9, 3217711), (21, 1379019), (63, 459673), (139, 208341), (417, 69447), (973, 29763), (1251, 23149), (2919, 9921), (3307, 8757)]