217465003

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{20533}}^1$

素因数の和:20646

約数の個数: 16

約数和(自身を含む): 266120640

約数和(自身を除く): 48655637

約数列:

[1, 7, 17, 89, 119, 623, 1513, 10591, 20533, 143731, 349061, 1827437, 2443427, 12792059, 31066429, 217465003]

約数ペア:

[(1, 217465003), (7, 31066429), (17, 12792059), (89, 2443427), (119, 1827437), (623, 349061), (1513, 143731), (10591, 20533)]