13018515

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2687}}^1$

素因数の和:2731

約数の個数: 32

約数和(自身を含む): 23224320

約数和(自身を除く): 10205805

約数列:

[1, 3, 5, 15, 17, 19, 51, 57, 85, 95, 255, 285, 323, 969, 1615, 2687, 4845, 8061, 13435, 40305, 45679, 51053, 137037, 153159, 228395, 255265, 685185, 765795, 867901, 2603703, 4339505, 13018515]

約数ペア:

[(1, 13018515), (3, 4339505), (5, 2603703), (15, 867901), (17, 765795), (19, 685185), (51, 255265), (57, 228395), (85, 153159), (95, 137037), (255, 51053), (285, 45679), (323, 40305), (969, 13435), (1615, 8061), (2687, 4845)]