81223551

素因数分解:

$3^2\times {\mathrm{83}}^1\times {\mathrm{227}}^1\times {\mathrm{479}}^1$

素因数の和:795

約数の個数: 24

約数和(自身を含む): 119508480

約数和(自身を除く): 38284929

約数列:

[1, 3, 9, 83, 227, 249, 479, 681, 747, 1437, 2043, 4311, 18841, 39757, 56523, 108733, 119271, 169569, 326199, 357813, 978597, 9024839, 27074517, 81223551]

約数ペア:

[(1, 81223551), (3, 27074517), (9, 9024839), (83, 978597), (227, 357813), (249, 326199), (479, 169569), (681, 119271), (747, 108733), (1437, 56523), (2043, 39757), (4311, 18841)]