3994025

素因数分解:

$5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{787}}^1$

素因数の和:833

約数の個数: 24

約数和(自身を含む): 5862720

約数和(自身を除く): 1868695

約数列:

[1, 5, 7, 25, 29, 35, 145, 175, 203, 725, 787, 1015, 3935, 5075, 5509, 19675, 22823, 27545, 114115, 137725, 159761, 570575, 798805, 3994025]

約数ペア:

[(1, 3994025), (5, 798805), (7, 570575), (25, 159761), (29, 137725), (35, 114115), (145, 27545), (175, 22823), (203, 19675), (725, 5509), (787, 5075), (1015, 3935)]