28027275

素因数分解:

$3^1\times 5^2\times {\mathrm{47}}^1\times {\mathrm{7951}}^1$

素因数の和:8011

約数の個数: 24

約数和(自身を含む): 47330304

約数和(自身を除く): 19303029

約数列:

[1, 3, 5, 15, 25, 47, 75, 141, 235, 705, 1175, 3525, 7951, 23853, 39755, 119265, 198775, 373697, 596325, 1121091, 1868485, 5605455, 9342425, 28027275]

約数ペア:

[(1, 28027275), (3, 9342425), (5, 5605455), (15, 1868485), (25, 1121091), (47, 596325), (75, 373697), (141, 198775), (235, 119265), (705, 39755), (1175, 23853), (3525, 7951)]