255320419221

素因数分解:

$3^4\times 7^1\times {\mathrm{450300563}}^1$

素因数の和:450300582

約数の個数: 20

約数和(自身を含む): 435890945952

約数和(自身を除く): 180570526731

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 450300563, 1350901689, 3152103941, 4052705067, 9456311823, 12158115201, 28368935469, 36474345603, 85106806407, 255320419221]

約数ペア:

[(1, 255320419221), (3, 85106806407), (7, 36474345603), (9, 28368935469), (21, 12158115201), (27, 9456311823), (63, 4052705067), (81, 3152103941), (189, 1350901689), (567, 450300563)]