16761615

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1999}}^1$

素因数の和:2063

約数の個数: 32

約数和(自身を含む): 29568000

約数和(自身を除く): 12806385

約数列:

[1, 3, 5, 13, 15, 39, 43, 65, 129, 195, 215, 559, 645, 1677, 1999, 2795, 5997, 8385, 9995, 25987, 29985, 77961, 85957, 129935, 257871, 389805, 429785, 1117441, 1289355, 3352323, 5587205, 16761615]

約数ペア:

[(1, 16761615), (3, 5587205), (5, 3352323), (13, 1289355), (15, 1117441), (39, 429785), (43, 389805), (65, 257871), (129, 129935), (195, 85957), (215, 77961), (559, 29985), (645, 25987), (1677, 9995), (1999, 8385), (2795, 5997)]