12865515

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3881}}^1$

素因数の和:3919

約数の個数: 32

約数和(自身を含む): 23478336

約数和(自身を除く): 10612821

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 195, 221, 255, 663, 1105, 3315, 3881, 11643, 19405, 50453, 58215, 65977, 151359, 197931, 252265, 329885, 756795, 857701, 989655, 2573103, 4288505, 12865515]

約数ペア:

[(1, 12865515), (3, 4288505), (5, 2573103), (13, 989655), (15, 857701), (17, 756795), (39, 329885), (51, 252265), (65, 197931), (85, 151359), (195, 65977), (221, 58215), (255, 50453), (663, 19405), (1105, 11643), (3315, 3881)]