75898125

素因数分解:

$3^2\times 5^4\times {\mathrm{103}}^1\times {\mathrm{131}}^1$

素因数の和:260

約数の個数: 60

約数和(自身を含む): 139380384

約数和(自身を除く): 63482259

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 103, 125, 131, 225, 309, 375, 393, 515, 625, 655, 927, 1125, 1179, 1545, 1875, 1965, 2575, 3275, 4635, 5625, 5895, 7725, 9825, 12875, 13493, 16375, 23175, 29475, 38625, 40479, 49125, 64375, 67465, 81875, 115875, 121437, 147375, 193125, 202395, 245625, 337325, 579375, 607185, 736875, 1011975, 1686625, 3035925, 5059875, 8433125, 15179625, 25299375, 75898125]

約数ペア:

[(1, 75898125), (3, 25299375), (5, 15179625), (9, 8433125), (15, 5059875), (25, 3035925), (45, 1686625), (75, 1011975), (103, 736875), (125, 607185), (131, 579375), (225, 337325), (309, 245625), (375, 202395), (393, 193125), (515, 147375), (625, 121437), (655, 115875), (927, 81875), (1125, 67465), (1179, 64375), (1545, 49125), (1875, 40479), (1965, 38625), (2575, 29475), (3275, 23175), (4635, 16375), (5625, 13493), (5895, 12875), (7725, 9825)]