1981395

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1129}}^1$

素因数の和:1156

約数の個数: 32

約数和(自身を含む): 3796800

約数和(自身を除く): 1815405

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 117, 135, 195, 351, 585, 1129, 1755, 3387, 5645, 10161, 14677, 16935, 30483, 44031, 50805, 73385, 132093, 152415, 220155, 396279, 660465, 1981395]

約数ペア:

[(1, 1981395), (3, 660465), (5, 396279), (9, 220155), (13, 152415), (15, 132093), (27, 73385), (39, 50805), (45, 44031), (65, 30483), (117, 16935), (135, 14677), (195, 10161), (351, 5645), (585, 3387), (1129, 1755)]