2043145

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^2$

素因数の和:121

約数の個数: 24

約数和(自身を含む): 2862216

約数和(自身を除く): 819071

約数列:

[1, 5, 13, 17, 43, 65, 85, 215, 221, 559, 731, 1105, 1849, 2795, 3655, 9245, 9503, 24037, 31433, 47515, 120185, 157165, 408629, 2043145]

約数ペア:

[(1, 2043145), (5, 408629), (13, 157165), (17, 120185), (43, 47515), (65, 31433), (85, 24037), (215, 9503), (221, 9245), (559, 3655), (731, 2795), (1105, 1849)]