17220147

素因数分解:

$3^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{7523}}^1$

素因数の和:7642

約数の個数: 16

約数和(自身を含む): 26484480

約数和(自身を除く): 9264333

約数列:

[1, 3, 7, 21, 109, 327, 763, 2289, 7523, 22569, 52661, 157983, 820007, 2460021, 5740049, 17220147]

約数ペア:

[(1, 17220147), (3, 5740049), (7, 2460021), (21, 820007), (109, 157983), (327, 52661), (763, 22569), (2289, 7523)]