247029507

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{1063}}^1$

素因数の和:1245

約数の個数: 40

約数和(自身を含む): 391381760

約数和(自身を除く): 144352253

約数列:

[1, 3, 9, 19, 27, 57, 81, 151, 171, 453, 513, 1063, 1359, 1539, 2869, 3189, 4077, 8607, 9567, 12231, 20197, 25821, 28701, 60591, 77463, 86103, 160513, 181773, 232389, 481539, 545319, 1444617, 1635957, 3049747, 4333851, 9149241, 13001553, 27447723, 82343169, 247029507]

約数ペア:

[(1, 247029507), (3, 82343169), (9, 27447723), (19, 13001553), (27, 9149241), (57, 4333851), (81, 3049747), (151, 1635957), (171, 1444617), (453, 545319), (513, 481539), (1063, 232389), (1359, 181773), (1539, 160513), (2869, 86103), (3189, 77463), (4077, 60591), (8607, 28701), (9567, 25821), (12231, 20197)]