71280135

素因数分解:

$3^3\times 5^1\times {\mathrm{528001}}^1$

素因数の和:528015

約数の個数: 16

約数和(自身を含む): 126720480

約数和(自身を除く): 55440345

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 528001, 1584003, 2640005, 4752009, 7920015, 14256027, 23760045, 71280135]

約数ペア:

[(1, 71280135), (3, 23760045), (5, 14256027), (9, 7920015), (15, 4752009), (27, 2640005), (45, 1584003), (135, 528001)]