210979069

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{331}}^1$

素因数の和:505

約数の個数: 32

約数和(自身を含む): 261605376

約数和(自身を除く): 50626307

約数列:

[1, 7, 23, 37, 107, 161, 259, 331, 749, 851, 2317, 2461, 3959, 5957, 7613, 12247, 17227, 27713, 35417, 53291, 85729, 91057, 247919, 281681, 637399, 814591, 1310429, 1971767, 5702137, 9173003, 30139867, 210979069]

約数ペア:

[(1, 210979069), (7, 30139867), (23, 9173003), (37, 5702137), (107, 1971767), (161, 1310429), (259, 814591), (331, 637399), (749, 281681), (851, 247919), (2317, 91057), (2461, 85729), (3959, 53291), (5957, 35417), (7613, 27713), (12247, 17227)]