28491405

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{111731}}^1$

素因数の和:111756

約数の個数: 16

約数和(自身を含む): 48268224

約数和(自身を除く): 19776819

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 111731, 335193, 558655, 1675965, 1899427, 5698281, 9497135, 28491405]

約数ペア:

[(1, 28491405), (3, 9497135), (5, 5698281), (15, 1899427), (17, 1675965), (51, 558655), (85, 335193), (255, 111731)]