149688081

素因数分解:

$3^4\times {\mathrm{223}}^1\times {\mathrm{8287}}^1$

素因数の和:8522

約数の個数: 20

約数和(自身を含む): 224637952

約数和(自身を除く): 74949871

約数列:

[1, 3, 9, 27, 81, 223, 669, 2007, 6021, 8287, 18063, 24861, 74583, 223749, 671247, 1848001, 5544003, 16632009, 49896027, 149688081]

約数ペア:

[(1, 149688081), (3, 49896027), (9, 16632009), (27, 5544003), (81, 1848001), (223, 671247), (669, 223749), (2007, 74583), (6021, 24861), (8287, 18063)]