13421991

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{4027}}^1$

素因数の和:4142

約数の個数: 16

約数和(自身を含む): 19721088

約数和(自身を除く): 6299097

約数列:

[1, 3, 11, 33, 101, 303, 1111, 3333, 4027, 12081, 44297, 132891, 406727, 1220181, 4473997, 13421991]

約数ペア:

[(1, 13421991), (3, 4473997), (11, 1220181), (33, 406727), (101, 132891), (303, 44297), (1111, 12081), (3333, 4027)]