64165125

素因数分解:

$3^1\times 5^3\times {\mathrm{397}}^1\times {\mathrm{431}}^1$

素因数の和:846

約数の個数: 32

約数和(自身を含む): 107288064

約数和(自身を除く): 43122939

約数列:

[1, 3, 5, 15, 25, 75, 125, 375, 397, 431, 1191, 1293, 1985, 2155, 5955, 6465, 9925, 10775, 29775, 32325, 49625, 53875, 148875, 161625, 171107, 513321, 855535, 2566605, 4277675, 12833025, 21388375, 64165125]

約数ペア:

[(1, 64165125), (3, 21388375), (5, 12833025), (15, 4277675), (25, 2566605), (75, 855535), (125, 513321), (375, 171107), (397, 161625), (431, 148875), (1191, 53875), (1293, 49625), (1985, 32325), (2155, 29775), (5955, 10775), (6465, 9925)]