1815005

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{163}}^1$

素因数の和:316

約数の個数: 16

約数和(自身を含む): 2337984

約数和(自身を除く): 522979

約数列:

[1, 5, 17, 85, 131, 163, 655, 815, 2227, 2771, 11135, 13855, 21353, 106765, 363001, 1815005]

約数ペア:

[(1, 1815005), (5, 363001), (17, 106765), (85, 21353), (131, 13855), (163, 11135), (655, 2771), (815, 2227)]