1280525025

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1313359}}^1$

素因数の和:1313385

約数の個数: 24

約数和(自身を含む): 2279992960

約数和(自身を除く): 999467935

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 195, 325, 975, 1313359, 3940077, 6566795, 17073667, 19700385, 32833975, 51221001, 85368335, 98501925, 256105005, 426841675, 1280525025]

約数ペア:

[(1, 1280525025), (3, 426841675), (5, 256105005), (13, 98501925), (15, 85368335), (25, 51221001), (39, 32833975), (65, 19700385), (75, 17073667), (195, 6566795), (325, 3940077), (975, 1313359)]