3171875

素因数分解:

$5^6\times 7^1\times {\mathrm{29}}^1$

素因数の和:66

約数の個数: 28

約数和(自身を含む): 4687440

約数和(自身を除く): 1515565

約数列:

[1, 5, 7, 25, 29, 35, 125, 145, 175, 203, 625, 725, 875, 1015, 3125, 3625, 4375, 5075, 15625, 18125, 21875, 25375, 90625, 109375, 126875, 453125, 634375, 3171875]

約数ペア:

[(1, 3171875), (5, 634375), (7, 453125), (25, 126875), (29, 109375), (35, 90625), (125, 25375), (145, 21875), (175, 18125), (203, 15625), (625, 5075), (725, 4375), (875, 3625), (1015, 3125)]