774117

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{503}}^1$

素因数の和:534

約数の個数: 20

約数和(自身を含む): 1219680

約数和(自身を除く): 445563

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 503, 513, 1509, 1539, 4527, 9557, 13581, 28671, 40743, 86013, 258039, 774117]

約数ペア:

[(1, 774117), (3, 258039), (9, 86013), (19, 40743), (27, 28671), (57, 13581), (81, 9557), (171, 4527), (503, 1539), (513, 1509)]