28261275

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{53831}}^1$

素因数の和:53851

約数の個数: 24

約数和(自身を含む): 53401344

約数和(自身を除く): 25140069

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 175, 525, 53831, 161493, 269155, 376817, 807465, 1130451, 1345775, 1884085, 4037325, 5652255, 9420425, 28261275]

約数ペア:

[(1, 28261275), (3, 9420425), (5, 5652255), (7, 4037325), (15, 1884085), (21, 1345775), (25, 1130451), (35, 807465), (75, 376817), (105, 269155), (175, 161493), (525, 53831)]