21736125

素因数分解:

$3^2\times 5^3\times {\mathrm{139}}^2$

素因数の和:299

約数の個数: 36

約数和(自身を含む): 39466908

約数和(自身を除く): 17730783

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 125, 139, 225, 375, 417, 695, 1125, 1251, 2085, 3475, 6255, 10425, 17375, 19321, 31275, 52125, 57963, 96605, 156375, 173889, 289815, 483025, 869445, 1449075, 2415125, 4347225, 7245375, 21736125]

約数ペア:

[(1, 21736125), (3, 7245375), (5, 4347225), (9, 2415125), (15, 1449075), (25, 869445), (45, 483025), (75, 289815), (125, 173889), (139, 156375), (225, 96605), (375, 57963), (417, 52125), (695, 31275), (1125, 19321), (1251, 17375), (2085, 10425), (3475, 6255)]