15489123

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{20903}}^1$

素因数の和:20938

約数の個数: 16

約数和(自身を含む): 23412480

約数和(自身を除く): 7923357

約数列:

[1, 3, 13, 19, 39, 57, 247, 741, 20903, 62709, 271739, 397157, 815217, 1191471, 5163041, 15489123]

約数ペア:

[(1, 15489123), (3, 5163041), (13, 1191471), (19, 815217), (39, 397157), (57, 271739), (247, 62709), (741, 20903)]