28318125

素因数分解:

$3^1\times 5^4\times {\mathrm{11}}^1\times {\mathrm{1373}}^1$

素因数の和:1407

約数の個数: 40

約数和(自身を含む): 51508512

約数和(自身を除く): 23190387

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 125, 165, 275, 375, 625, 825, 1373, 1375, 1875, 4119, 4125, 6865, 6875, 15103, 20595, 20625, 34325, 45309, 75515, 102975, 171625, 226545, 377575, 514875, 858125, 1132725, 1887875, 2574375, 5663625, 9439375, 28318125]

約数ペア:

[(1, 28318125), (3, 9439375), (5, 5663625), (11, 2574375), (15, 1887875), (25, 1132725), (33, 858125), (55, 514875), (75, 377575), (125, 226545), (165, 171625), (275, 102975), (375, 75515), (625, 45309), (825, 34325), (1373, 20625), (1375, 20595), (1875, 15103), (4119, 6875), (4125, 6865)]