64780125

素因数分解:

$3^1\times 5^3\times {\mathrm{227}}^1\times {\mathrm{761}}^1$

素因数の和:1006

約数の個数: 32

約数和(自身を含む): 108411264

約数和(自身を除く): 43631139

約数列:

[1, 3, 5, 15, 25, 75, 125, 227, 375, 681, 761, 1135, 2283, 3405, 3805, 5675, 11415, 17025, 19025, 28375, 57075, 85125, 95125, 172747, 285375, 518241, 863735, 2591205, 4318675, 12956025, 21593375, 64780125]

約数ペア:

[(1, 64780125), (3, 21593375), (5, 12956025), (15, 4318675), (25, 2591205), (75, 863735), (125, 518241), (227, 285375), (375, 172747), (681, 95125), (761, 85125), (1135, 57075), (2283, 28375), (3405, 19025), (3805, 17025), (5675, 11415)]