28236375

素因数分解:

$3^2\times 5^3\times {\mathrm{19}}^1\times {\mathrm{1321}}^1$

素因数の和:1361

約数の個数: 48

約数和(自身を含む): 53620320

約数和(自身を除く): 25383945

約数列:

[1, 3, 5, 9, 15, 19, 25, 45, 57, 75, 95, 125, 171, 225, 285, 375, 475, 855, 1125, 1321, 1425, 2375, 3963, 4275, 6605, 7125, 11889, 19815, 21375, 25099, 33025, 59445, 75297, 99075, 125495, 165125, 225891, 297225, 376485, 495375, 627475, 1129455, 1486125, 1882425, 3137375, 5647275, 9412125, 28236375]

約数ペア:

[(1, 28236375), (3, 9412125), (5, 5647275), (9, 3137375), (15, 1882425), (19, 1486125), (25, 1129455), (45, 627475), (57, 495375), (75, 376485), (95, 297225), (125, 225891), (171, 165125), (225, 125495), (285, 99075), (375, 75297), (475, 59445), (855, 33025), (1125, 25099), (1321, 21375), (1425, 19815), (2375, 11889), (3963, 7125), (4275, 6605)]