81787665

素因数分解:

$3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{52937}}^1$

素因数の和:53048

約数の個数: 16

約数和(自身を含む): 132133248

約数和(自身を除く): 50345583

約数列:

[1, 3, 5, 15, 103, 309, 515, 1545, 52937, 158811, 264685, 794055, 5452511, 16357533, 27262555, 81787665]

約数ペア:

[(1, 81787665), (3, 27262555), (5, 16357533), (15, 5452511), (103, 794055), (309, 264685), (515, 158811), (1545, 52937)]