27980381

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{503}}^1$

素因数の和:916

約数の個数: 16

約数和(自身を含む): 33022080

約数和(自身を除く): 5041699

約数列:

[1, 11, 13, 143, 389, 503, 4279, 5057, 5533, 6539, 55627, 71929, 195667, 2152337, 2543671, 27980381]

約数ペア:

[(1, 27980381), (11, 2543671), (13, 2152337), (143, 195667), (389, 71929), (503, 55627), (4279, 6539), (5057, 5533)]