1916579961

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{550267}}^1$

素因数の和:550322

約数の個数: 20

約数和(自身を含む): 2929626832

約数和(自身を除く): 1013046871

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 1161, 3483, 550267, 1650801, 4952403, 14857209, 23661481, 44571627, 70984443, 212953329, 638859987, 1916579961]

約数ペア:

[(1, 1916579961), (3, 638859987), (9, 212953329), (27, 70984443), (43, 44571627), (81, 23661481), (129, 14857209), (387, 4952403), (1161, 1650801), (3483, 550267)]