261570303

素因数分解:

$3^6\times {\mathrm{223}}^1\times {\mathrm{1609}}^1$

素因数の和:1850

約数の個数: 28

約数和(自身を含む): 394179520

約数和(自身を除く): 132609217

約数列:

[1, 3, 9, 27, 81, 223, 243, 669, 729, 1609, 2007, 4827, 6021, 14481, 18063, 43443, 54189, 130329, 162567, 358807, 390987, 1076421, 1172961, 3229263, 9687789, 29063367, 87190101, 261570303]

約数ペア:

[(1, 261570303), (3, 87190101), (9, 29063367), (27, 9687789), (81, 3229263), (223, 1172961), (243, 1076421), (669, 390987), (729, 358807), (1609, 162567), (2007, 130329), (4827, 54189), (6021, 43443), (14481, 18063)]