28018725

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{643}}^1$

素因数の和:746

約数の個数: 48

約数和(自身を含む): 53663232

約数和(自身を除く): 25644507

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 83, 105, 175, 249, 415, 525, 581, 643, 1245, 1743, 1929, 2075, 2905, 3215, 4501, 6225, 8715, 9645, 13503, 14525, 16075, 22505, 43575, 48225, 53369, 67515, 112525, 160107, 266845, 337575, 373583, 800535, 1120749, 1334225, 1867915, 4002675, 5603745, 9339575, 28018725]

約数ペア:

[(1, 28018725), (3, 9339575), (5, 5603745), (7, 4002675), (15, 1867915), (21, 1334225), (25, 1120749), (35, 800535), (75, 373583), (83, 337575), (105, 266845), (175, 160107), (249, 112525), (415, 67515), (525, 53369), (581, 48225), (643, 43575), (1245, 22505), (1743, 16075), (1929, 14525), (2075, 13503), (2905, 9645), (3215, 8715), (4501, 6225)]