261732951

素因数分解:

$3^4\times {\mathrm{491}}^1\times {\mathrm{6581}}^1$

素因数の和:7084

約数の個数: 20

約数和(自身を含む): 391839624

約数和(自身を除く): 130106673

約数列:

[1, 3, 9, 27, 81, 491, 1473, 4419, 6581, 13257, 19743, 39771, 59229, 177687, 533061, 3231271, 9693813, 29081439, 87244317, 261732951]

約数ペア:

[(1, 261732951), (3, 87244317), (9, 29081439), (27, 9693813), (81, 3231271), (491, 533061), (1473, 177687), (4419, 59229), (6581, 39771), (13257, 19743)]