9894521

素因数分解:

$7^4\times {\mathrm{13}}^1\times {\mathrm{317}}^1$

素因数の和:358

約数の個数: 20

約数和(自身を含む): 12470052

約数和(自身を除く): 2575531

約数列:

[1, 7, 13, 49, 91, 317, 343, 637, 2219, 2401, 4121, 4459, 15533, 28847, 31213, 108731, 201929, 761117, 1413503, 9894521]

約数ペア:

[(1, 9894521), (7, 1413503), (13, 761117), (49, 201929), (91, 108731), (317, 31213), (343, 28847), (637, 15533), (2219, 4459), (2401, 4121)]