66825405

素因数分解:

$3^4\times 5^1\times {\mathrm{165001}}^1$

素因数の和:165018

約数の個数: 20

約数和(自身を含む): 119791452

約数和(自身を除く): 52966047

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 165001, 495003, 825005, 1485009, 2475015, 4455027, 7425045, 13365081, 22275135, 66825405]

約数ペア:

[(1, 66825405), (3, 22275135), (5, 13365081), (9, 7425045), (15, 4455027), (27, 2475015), (45, 1485009), (81, 825005), (135, 495003), (405, 165001)]