25518915

素因数分解:

$3^3\times 5^1\times {\mathrm{421}}^1\times {\mathrm{449}}^1$

素因数の和:884

約数の個数: 32

約数和(自身を含む): 45576000

約数和(自身を除く): 20057085

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 421, 449, 1263, 1347, 2105, 2245, 3789, 4041, 6315, 6735, 11367, 12123, 18945, 20205, 56835, 60615, 189029, 567087, 945145, 1701261, 2835435, 5103783, 8506305, 25518915]

約数ペア:

[(1, 25518915), (3, 8506305), (5, 5103783), (9, 2835435), (15, 1701261), (27, 945145), (45, 567087), (135, 189029), (421, 60615), (449, 56835), (1263, 20205), (1347, 18945), (2105, 12123), (2245, 11367), (3789, 6735), (4041, 6315)]