28085895

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{307}}^1$

素因数の和:444

約数の個数: 48

約数和(自身を含む): 51891840

約数和(自身を除く): 23805945

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 107, 171, 285, 307, 321, 535, 855, 921, 963, 1535, 1605, 2033, 2763, 4605, 4815, 5833, 6099, 10165, 13815, 17499, 18297, 29165, 30495, 32849, 52497, 87495, 91485, 98547, 164245, 262485, 295641, 492735, 624131, 1478205, 1872393, 3120655, 5617179, 9361965, 28085895]

約数ペア:

[(1, 28085895), (3, 9361965), (5, 5617179), (9, 3120655), (15, 1872393), (19, 1478205), (45, 624131), (57, 492735), (95, 295641), (107, 262485), (171, 164245), (285, 98547), (307, 91485), (321, 87495), (535, 52497), (855, 32849), (921, 30495), (963, 29165), (1535, 18297), (1605, 17499), (2033, 13815), (2763, 10165), (4605, 6099), (4815, 5833)]