39421875

素因数分解:

$3^1\times 5^6\times {\mathrm{29}}^2$

素因数の和:91

約数の個数: 42

約数和(自身を含む): 68046004

約数和(自身を除く): 28624129

約数列:

[1, 3, 5, 15, 25, 29, 75, 87, 125, 145, 375, 435, 625, 725, 841, 1875, 2175, 2523, 3125, 3625, 4205, 9375, 10875, 12615, 15625, 18125, 21025, 46875, 54375, 63075, 90625, 105125, 271875, 315375, 453125, 525625, 1359375, 1576875, 2628125, 7884375, 13140625, 39421875]

約数ペア:

[(1, 39421875), (3, 13140625), (5, 7884375), (15, 2628125), (25, 1576875), (29, 1359375), (75, 525625), (87, 453125), (125, 315375), (145, 271875), (375, 105125), (435, 90625), (625, 63075), (725, 54375), (841, 46875), (1875, 21025), (2175, 18125), (2523, 15625), (3125, 12615), (3625, 10875), (4205, 9375)]