201521621

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{491}}^1\times {\mathrm{3449}}^1$

素因数の和:3964

約数の個数: 16

約数和(自身を含む): 244425600

約数和(自身を除く): 42903979

約数列:

[1, 7, 17, 119, 491, 3437, 3449, 8347, 24143, 58429, 58633, 410431, 1693459, 11854213, 28788803, 201521621]

約数ペア:

[(1, 201521621), (7, 28788803), (17, 11854213), (119, 1693459), (491, 410431), (3437, 58633), (3449, 58429), (8347, 24143)]