990908505

素因数分解:

$3^3\times 5^1\times {\mathrm{307}}^1\times {\mathrm{23909}}^1$

素因数の和:24230

約数の個数: 32

約数和(自身を含む): 1767427200

約数和(自身を除く): 776518695

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 307, 921, 1535, 2763, 4605, 8289, 13815, 23909, 41445, 71727, 119545, 215181, 358635, 645543, 1075905, 3227715, 7340063, 22020189, 36700315, 66060567, 110100945, 198181701, 330302835, 990908505]

約数ペア:

[(1, 990908505), (3, 330302835), (5, 198181701), (9, 110100945), (15, 66060567), (27, 36700315), (45, 22020189), (135, 7340063), (307, 3227715), (921, 1075905), (1535, 645543), (2763, 358635), (4605, 215181), (8289, 119545), (13815, 71727), (23909, 41445)]