72249813

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{739}}^1$

素因数の和:839

約数の個数: 40

約数和(自身を含む): 116043840

約数和(自身を除く): 43794027

約数列:

[1, 3, 9, 17, 27, 51, 71, 81, 153, 213, 459, 639, 739, 1207, 1377, 1917, 2217, 3621, 5751, 6651, 10863, 12563, 19953, 32589, 37689, 52469, 59859, 97767, 113067, 157407, 339201, 472221, 891973, 1017603, 1416663, 2675919, 4249989, 8027757, 24083271, 72249813]

約数ペア:

[(1, 72249813), (3, 24083271), (9, 8027757), (17, 4249989), (27, 2675919), (51, 1416663), (71, 1017603), (81, 891973), (153, 472221), (213, 339201), (459, 157407), (639, 113067), (739, 97767), (1207, 59859), (1377, 52469), (1917, 37689), (2217, 32589), (3621, 19953), (5751, 12563), (6651, 10863)]