21031874505

素因数分解:

$3^3\times 5^1\times {\mathrm{15121}}^1\times {\mathrm{10303}}^1$

素因数の和:25438

約数の個数: 32

約数和(自身を含む): 37396101120

約数和(自身を除く): 16364226615

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 10303, 15121, 30909, 45363, 51515, 75605, 92727, 136089, 154545, 226815, 278181, 408267, 463635, 680445, 1390905, 2041335, 155791663, 467374989, 778958315, 1402124967, 2336874945, 4206374901, 7010624835, 21031874505]

約数ペア:

[(1, 21031874505), (3, 7010624835), (5, 4206374901), (9, 2336874945), (15, 1402124967), (27, 778958315), (45, 467374989), (135, 155791663), (10303, 2041335), (15121, 1390905), (30909, 680445), (45363, 463635), (51515, 408267), (75605, 278181), (92727, 226815), (136089, 154545)]