79721871

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{409}}^1\times {\mathrm{1511}}^1$

素因数の和:1966

約数の個数: 16

約数和(自身を含む): 109105920

約数和(自身を除く): 29384049

約数列:

[1, 3, 43, 129, 409, 1227, 1511, 4533, 17587, 52761, 64973, 194919, 617999, 1853997, 26573957, 79721871]

約数ペア:

[(1, 79721871), (3, 26573957), (43, 1853997), (129, 617999), (409, 194919), (1227, 64973), (1511, 52761), (4533, 17587)]