81477795

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{40841}}^1$

素因数の和:40875

約数の個数: 32

約数和(自身を含む): 156833280

約数和(自身を除く): 75355485

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 285, 399, 665, 1995, 40841, 122523, 204205, 285887, 612615, 775979, 857661, 1429435, 2327937, 3879895, 4288305, 5431853, 11639685, 16295559, 27159265, 81477795]

約数ペア:

[(1, 81477795), (3, 27159265), (5, 16295559), (7, 11639685), (15, 5431853), (19, 4288305), (21, 3879895), (35, 2327937), (57, 1429435), (95, 857661), (105, 775979), (133, 612615), (285, 285887), (399, 204205), (665, 122523), (1995, 40841)]