726769827

素因数分解:

$3^4\times 7^1\times {\mathrm{1281781}}^1$

素因数の和:1281800

約数の個数: 20

約数和(自身を含む): 1240764976

約数和(自身を除く): 513995149

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 1281781, 3845343, 8972467, 11536029, 26917401, 34608087, 80752203, 103824261, 242256609, 726769827]

約数ペア:

[(1, 726769827), (3, 242256609), (7, 103824261), (9, 80752203), (21, 34608087), (27, 26917401), (63, 11536029), (81, 8972467), (189, 3845343), (567, 1281781)]