72577215

素因数分解:

$3^4\times 5^1\times {\mathrm{179203}}^1$

素因数の和:179220

約数の個数: 20

約数和(自身を含む): 130102104

約数和(自身を除く): 57524889

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 179203, 537609, 896015, 1612827, 2688045, 4838481, 8064135, 14515443, 24192405, 72577215]

約数ペア:

[(1, 72577215), (3, 24192405), (5, 14515443), (9, 8064135), (15, 4838481), (27, 2688045), (45, 1612827), (81, 896015), (135, 537609), (405, 179203)]