39580815

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{2441}}^1$

素因数の和:2519

約数の個数: 32

約数和(自身を含む): 67516416

約数和(自身を除く): 27935601

約数列:

[1, 3, 5, 15, 23, 47, 69, 115, 141, 235, 345, 705, 1081, 2441, 3243, 5405, 7323, 12205, 16215, 36615, 56143, 114727, 168429, 280715, 344181, 573635, 842145, 1720905, 2638721, 7916163, 13193605, 39580815]

約数ペア:

[(1, 39580815), (3, 13193605), (5, 7916163), (15, 2638721), (23, 1720905), (47, 842145), (69, 573635), (115, 344181), (141, 280715), (235, 168429), (345, 114727), (705, 56143), (1081, 36615), (2441, 16215), (3243, 12205), (5405, 7323)]