726729921

素因数分解:

$3^3\times {\mathrm{157}}^1\times {\mathrm{171439}}^1$

素因数の和:171605

約数の個数: 16

約数和(自身を含む): 1083500800

約数和(自身を除く): 356770879

約数列:

[1, 3, 9, 27, 157, 471, 1413, 4239, 171439, 514317, 1542951, 4628853, 26915923, 80747769, 242243307, 726729921]

約数ペア:

[(1, 726729921), (3, 242243307), (9, 80747769), (27, 26915923), (157, 4628853), (471, 1542951), (1413, 514317), (4239, 171439)]