28540125

素因数分解:

$3^2\times 5^3\times {\mathrm{23}}^1\times {\mathrm{1103}}^1$

素因数の和:1147

約数の個数: 48

約数和(自身を含む): 53733888

約数和(自身を除く): 25193763

約数列:

[1, 3, 5, 9, 15, 23, 25, 45, 69, 75, 115, 125, 207, 225, 345, 375, 575, 1035, 1103, 1125, 1725, 2875, 3309, 5175, 5515, 8625, 9927, 16545, 25369, 25875, 27575, 49635, 76107, 82725, 126845, 137875, 228321, 248175, 380535, 413625, 634225, 1141605, 1240875, 1902675, 3171125, 5708025, 9513375, 28540125]

約数ペア:

[(1, 28540125), (3, 9513375), (5, 5708025), (9, 3171125), (15, 1902675), (23, 1240875), (25, 1141605), (45, 634225), (69, 413625), (75, 380535), (115, 248175), (125, 228321), (207, 137875), (225, 126845), (345, 82725), (375, 76107), (575, 49635), (1035, 27575), (1103, 25875), (1125, 25369), (1725, 16545), (2875, 9927), (3309, 8625), (5175, 5515)]