15987621

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{367}}^1\times {\mathrm{1117}}^1$

素因数の和:1500

約数の個数: 16

約数和(自身を含む): 23039744

約数和(自身を除く): 7052123

約数列:

[1, 3, 13, 39, 367, 1101, 1117, 3351, 4771, 14313, 14521, 43563, 409939, 1229817, 5329207, 15987621]

約数ペア:

[(1, 15987621), (3, 5329207), (13, 1229817), (39, 409939), (367, 43563), (1101, 14521), (1117, 14313), (3351, 4771)]