636394563

素因数分解:

$3^4\times 7^1\times {\mathrm{1122389}}^1$

素因数の和:1122408

約数の個数: 20

約数和(自身を含む): 1086473520

約数和(自身を除く): 450078957

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 1122389, 3367167, 7856723, 10101501, 23570169, 30304503, 70710507, 90913509, 212131521, 636394563]

約数ペア:

[(1, 636394563), (3, 212131521), (7, 90913509), (9, 70710507), (21, 30304503), (27, 23570169), (63, 10101501), (81, 7856723), (189, 3367167), (567, 1122389)]