13680855

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{16001}}^1$

素因数の和:16031

約数の個数: 24

約数和(自身を含む): 24963120

約数和(自身を除く): 11282265

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 171, 285, 855, 16001, 48003, 80005, 144009, 240015, 304019, 720045, 912057, 1520095, 2736171, 4560285, 13680855]

約数ペア:

[(1, 13680855), (3, 4560285), (5, 2736171), (9, 1520095), (15, 912057), (19, 720045), (45, 304019), (57, 240015), (95, 144009), (171, 80005), (285, 48003), (855, 16001)]