28245393

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{701}}^1$

素因数の和:766

約数の個数: 36

約数和(自身を含む): 46122804

約数和(自身を除く): 17877411

約数列:

[1, 3, 9, 11, 33, 37, 99, 111, 121, 333, 363, 407, 701, 1089, 1221, 2103, 3663, 4477, 6309, 7711, 13431, 23133, 25937, 40293, 69399, 77811, 84821, 233433, 254463, 285307, 763389, 855921, 2567763, 3138377, 9415131, 28245393]

約数ペア:

[(1, 28245393), (3, 9415131), (9, 3138377), (11, 2567763), (33, 855921), (37, 763389), (99, 285307), (111, 254463), (121, 233433), (333, 84821), (363, 77811), (407, 69399), (701, 40293), (1089, 25937), (1221, 23133), (2103, 13431), (3663, 7711), (4477, 6309)]