55198971

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{7507}}^1$

素因数の和:7575

約数の個数: 24

約数和(自身を含む): 85891520

約数和(自身を除く): 30692549

約数列:

[1, 3, 9, 19, 43, 57, 129, 171, 387, 817, 2451, 7353, 7507, 22521, 67563, 142633, 322801, 427899, 968403, 1283697, 2905209, 6133219, 18399657, 55198971]

約数ペア:

[(1, 55198971), (3, 18399657), (9, 6133219), (19, 2905209), (43, 1283697), (57, 968403), (129, 427899), (171, 322801), (387, 142633), (817, 67563), (2451, 22521), (7353, 7507)]