28057905

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{36677}}^1$

素因数の和:36705

約数の個数: 24

約数和(自身を含む): 51495912

約数和(自身を除く): 23438007

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 36677, 110031, 183385, 330093, 550155, 623509, 1650465, 1870527, 3117545, 5611581, 9352635, 28057905]

約数ペア:

[(1, 28057905), (3, 9352635), (5, 5611581), (9, 3117545), (15, 1870527), (17, 1650465), (45, 623509), (51, 550155), (85, 330093), (153, 183385), (255, 110031), (765, 36677)]