208485

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{113}}^1$

素因数の和:165

約数の個数: 24

約数和(自身を含む): 373464

約数和(自身を除く): 164979

約数列:

[1, 3, 5, 9, 15, 41, 45, 113, 123, 205, 339, 369, 565, 615, 1017, 1695, 1845, 4633, 5085, 13899, 23165, 41697, 69495, 208485]

約数ペア:

[(1, 208485), (3, 69495), (5, 41697), (9, 23165), (15, 13899), (41, 5085), (45, 4633), (113, 1845), (123, 1695), (205, 1017), (339, 615), (369, 565)]