220270141

素因数分解:

$7^4\times {\mathrm{13}}^1\times {\mathrm{7057}}^1$

素因数の和:7098

約数の個数: 20

約数和(自身を含む): 276772412

約数和(自身を除く): 56502271

約数列:

[1, 7, 13, 49, 91, 343, 637, 2401, 4459, 7057, 31213, 49399, 91741, 345793, 642187, 2420551, 4495309, 16943857, 31467163, 220270141]

約数ペア:

[(1, 220270141), (7, 31467163), (13, 16943857), (49, 4495309), (91, 2420551), (343, 642187), (637, 345793), (2401, 91741), (4459, 49399), (7057, 31213)]