164205

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1$

素因数の和:141

約数の個数: 24

約数和(自身を含む): 294840

約数和(自身を除く): 130635

約数列:

[1, 3, 5, 9, 15, 41, 45, 89, 123, 205, 267, 369, 445, 615, 801, 1335, 1845, 3649, 4005, 10947, 18245, 32841, 54735, 164205]

約数ペア:

[(1, 164205), (3, 54735), (5, 32841), (9, 18245), (15, 10947), (41, 4005), (45, 3649), (89, 1845), (123, 1335), (205, 801), (267, 615), (369, 445)]