722736027

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{686359}}^1$

素因数の和:686384

約数の個数: 20

約数和(自身を含む): 1162693840

約数和(自身を除く): 439957813

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 686359, 2059077, 6177231, 8922667, 18531693, 26768001, 55595079, 80304003, 240912009, 722736027]

約数ペア:

[(1, 722736027), (3, 240912009), (9, 80304003), (13, 55595079), (27, 26768001), (39, 18531693), (81, 8922667), (117, 6177231), (351, 2059077), (1053, 686359)]