15936021

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1$

素因数の和:263

約数の個数: 40

約数和(自身を含む): 25717824

約数和(自身を除く): 9781803

約数列:

[1, 3, 9, 17, 27, 51, 71, 81, 153, 163, 213, 459, 489, 639, 1207, 1377, 1467, 1917, 2771, 3621, 4401, 5751, 8313, 10863, 11573, 13203, 24939, 32589, 34719, 74817, 97767, 104157, 196741, 224451, 312471, 590223, 937413, 1770669, 5312007, 15936021]

約数ペア:

[(1, 15936021), (3, 5312007), (9, 1770669), (17, 937413), (27, 590223), (51, 312471), (71, 224451), (81, 196741), (153, 104157), (163, 97767), (213, 74817), (459, 34719), (489, 32589), (639, 24939), (1207, 13203), (1377, 11573), (1467, 10863), (1917, 8313), (2771, 5751), (3621, 4401)]