15940975

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{307}}^1$

素因数の和:415

約数の個数: 24

約数和(自身を含む): 20776448

約数和(自身を除く): 4835473

約数列:

[1, 5, 25, 31, 67, 155, 307, 335, 775, 1535, 1675, 2077, 7675, 9517, 10385, 20569, 47585, 51925, 102845, 237925, 514225, 637639, 3188195, 15940975]

約数ペア:

[(1, 15940975), (5, 3188195), (25, 637639), (31, 514225), (67, 237925), (155, 102845), (307, 51925), (335, 47585), (775, 20569), (1535, 10385), (1675, 9517), (2077, 7675)]