12987195

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{66601}}^1$

素因数の和:66622

約数の個数: 16

約数和(自身を含む): 22378272

約数和(自身を除く): 9391077

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 66601, 199803, 333005, 865813, 999015, 2597439, 4329065, 12987195]

約数ペア:

[(1, 12987195), (3, 4329065), (5, 2597439), (13, 999015), (15, 865813), (39, 333005), (65, 199803), (195, 66601)]