55220921

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{1637}}^1$

素因数の和:1784

約数の個数: 16

約数和(自身を含む): 64995840

約数和(自身を除く): 9774919

約数列:

[1, 7, 61, 79, 427, 553, 1637, 4819, 11459, 33733, 99857, 129323, 698999, 905261, 7888703, 55220921]

約数ペア:

[(1, 55220921), (7, 7888703), (61, 905261), (79, 698999), (427, 129323), (553, 99857), (1637, 33733), (4819, 11459)]