8991225

素因数分解:

$3^2\times 5^2\times {\mathrm{89}}^1\times {\mathrm{449}}^1$

素因数の和:554

約数の個数: 36

約数和(自身を含む): 16321500

約数和(自身を除く): 7330275

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 89, 225, 267, 445, 449, 801, 1335, 1347, 2225, 2245, 4005, 4041, 6675, 6735, 11225, 20025, 20205, 33675, 39961, 101025, 119883, 199805, 359649, 599415, 999025, 1798245, 2997075, 8991225]

約数ペア:

[(1, 8991225), (3, 2997075), (5, 1798245), (9, 999025), (15, 599415), (25, 359649), (45, 199805), (75, 119883), (89, 101025), (225, 39961), (267, 33675), (445, 20205), (449, 20025), (801, 11225), (1335, 6735), (1347, 6675), (2225, 4041), (2245, 4005)]