28370025

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{7417}}^1$

素因数の和:7450

約数の個数: 36

約数和(自身を含む): 53810172

約数和(自身を除く): 25440147

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 75, 85, 153, 225, 255, 425, 765, 1275, 3825, 7417, 22251, 37085, 66753, 111255, 126089, 185425, 333765, 378267, 556275, 630445, 1134801, 1668825, 1891335, 3152225, 5674005, 9456675, 28370025]

約数ペア:

[(1, 28370025), (3, 9456675), (5, 5674005), (9, 3152225), (15, 1891335), (17, 1668825), (25, 1134801), (45, 630445), (51, 556275), (75, 378267), (85, 333765), (153, 185425), (225, 126089), (255, 111255), (425, 66753), (765, 37085), (1275, 22251), (3825, 7417)]