30707505

素因数分解:

$3^4\times 5^1\times {\mathrm{75821}}^1$

素因数の和:75838

約数の個数: 20

約数和(自身を含む): 55046772

約数和(自身を除く): 24339267

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 75821, 227463, 379105, 682389, 1137315, 2047167, 3411945, 6141501, 10235835, 30707505]

約数ペア:

[(1, 30707505), (3, 10235835), (5, 6141501), (9, 3411945), (15, 2047167), (27, 1137315), (45, 682389), (81, 379105), (135, 227463), (405, 75821)]