31017129

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{4253}}^1$

素因数の和:4297

約数の個数: 32

約数和(自身を含む): 51456384

約数和(自身を除く): 20439255

約数列:

[1, 3, 11, 13, 17, 33, 39, 51, 143, 187, 221, 429, 561, 663, 2431, 4253, 7293, 12759, 46783, 55289, 72301, 140349, 165867, 216903, 608179, 795311, 939913, 1824537, 2385933, 2819739, 10339043, 31017129]

約数ペア:

[(1, 31017129), (3, 10339043), (11, 2819739), (13, 2385933), (17, 1824537), (33, 939913), (39, 795311), (51, 608179), (143, 216903), (187, 165867), (221, 140349), (429, 72301), (561, 55289), (663, 46783), (2431, 12759), (4253, 7293)]