72969281

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{331}}^1\times {\mathrm{409}}^1$

素因数の和:765

約数の個数: 24

約数和(自身を含む): 93106080

約数和(自身を除く): 20136799

約数列:

[1, 7, 11, 49, 77, 331, 409, 539, 2317, 2863, 3641, 4499, 16219, 20041, 25487, 31493, 135379, 178409, 220451, 947653, 1489169, 6633571, 10424183, 72969281]

約数ペア:

[(1, 72969281), (7, 10424183), (11, 6633571), (49, 1489169), (77, 947653), (331, 220451), (409, 178409), (539, 135379), (2317, 31493), (2863, 25487), (3641, 20041), (4499, 16219)]