78685731

素因数分解:

$3^2\times {\mathrm{157}}^1\times {\mathrm{233}}^1\times {\mathrm{239}}^1$

素因数の和:635

約数の個数: 24

約数和(自身を含む): 115352640

約数和(自身を除く): 36666909

約数列:

[1, 3, 9, 157, 233, 239, 471, 699, 717, 1413, 2097, 2151, 36581, 37523, 55687, 109743, 112569, 167061, 329229, 337707, 501183, 8742859, 26228577, 78685731]

約数ペア:

[(1, 78685731), (3, 26228577), (9, 8742859), (157, 501183), (233, 337707), (239, 329229), (471, 167061), (699, 112569), (717, 109743), (1413, 55687), (2097, 37523), (2151, 36581)]