290756493

素因数分解:

$3^3\times {\mathrm{421}}^1\times {\mathrm{25579}}^1$

素因数の和:26009

約数の個数: 16

約数和(自身を含む): 431790400

約数和(自身を除く): 141033907

約数列:

[1, 3, 9, 27, 421, 1263, 3789, 11367, 25579, 76737, 230211, 690633, 10768759, 32306277, 96918831, 290756493]

約数ペア:

[(1, 290756493), (3, 96918831), (9, 32306277), (27, 10768759), (421, 690633), (1263, 230211), (3789, 76737), (11367, 25579)]