11901897

素因数分解:

$3^5\times 7^1\times {\mathrm{6997}}^1$

素因数の和:7019

約数の個数: 24

約数和(自身を含む): 20378176

約数和(自身を除く): 8476279

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 1701, 6997, 20991, 48979, 62973, 146937, 188919, 440811, 566757, 1322433, 1700271, 3967299, 11901897]

約数ペア:

[(1, 11901897), (3, 3967299), (7, 1700271), (9, 1322433), (21, 566757), (27, 440811), (63, 188919), (81, 146937), (189, 62973), (243, 48979), (567, 20991), (1701, 6997)]