28713405

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{1811}}^1$

素因数の和:1977

約数の個数: 32

約数和(自身を含む): 52881408

約数和(自身を除く): 24168003

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 151, 453, 755, 1057, 1811, 2265, 3171, 5285, 5433, 9055, 12677, 15855, 27165, 38031, 63385, 190155, 273461, 820383, 1367305, 1914227, 4101915, 5742681, 9571135, 28713405]

約数ペア:

[(1, 28713405), (3, 9571135), (5, 5742681), (7, 4101915), (15, 1914227), (21, 1367305), (35, 820383), (105, 273461), (151, 190155), (453, 63385), (755, 38031), (1057, 27165), (1811, 15855), (2265, 12677), (3171, 9055), (5285, 5433)]