664803363

素因数分解:

$3^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{141961}}^1$

素因数の和:142194

約数の個数: 16

約数和(自身を含む): 1017583616

約数和(自身を除く): 352780253

約数列:

[1, 3, 7, 21, 223, 669, 1561, 4683, 141961, 425883, 993727, 2981181, 31657303, 94971909, 221601121, 664803363]

約数ペア:

[(1, 664803363), (3, 221601121), (7, 94971909), (21, 31657303), (223, 2981181), (669, 993727), (1561, 425883), (4683, 141961)]