1820151

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{977}}^1$

素因数の和:1012

約数の個数: 20

約数和(自身を含む): 2840112

約数和(自身を除く): 1019961

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 977, 1863, 2931, 8793, 22471, 26379, 67413, 79137, 202239, 606717, 1820151]

約数ペア:

[(1, 1820151), (3, 606717), (9, 202239), (23, 79137), (27, 67413), (69, 26379), (81, 22471), (207, 8793), (621, 2931), (977, 1863)]