127980979

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{13553}}^1$

素因数の和:13650

約数の個数: 16

約数和(自身を含む): 156142080

約数和(自身を除く): 28161101

約数列:

[1, 7, 19, 71, 133, 497, 1349, 9443, 13553, 94871, 257507, 962263, 1802549, 6735841, 18282997, 127980979]

約数ペア:

[(1, 127980979), (7, 18282997), (19, 6735841), (71, 1802549), (133, 962263), (497, 257507), (1349, 94871), (9443, 13553)]