61642215

素因数分解:

$3^4\times 5^1\times {\mathrm{152203}}^1$

素因数の和:152220

約数の個数: 20

約数和(自身を含む): 110500104

約数和(自身を除く): 48857889

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 152203, 456609, 761015, 1369827, 2283045, 4109481, 6849135, 12328443, 20547405, 61642215]

約数ペア:

[(1, 61642215), (3, 20547405), (5, 12328443), (9, 6849135), (15, 4109481), (27, 2283045), (45, 1369827), (81, 761015), (135, 456609), (405, 152203)]