30052215

素因数分解:

$3^4\times 5^1\times {\mathrm{74203}}^1$

素因数の和:74220

約数の個数: 20

約数和(自身を含む): 53872104

約数和(自身を除く): 23819889

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 74203, 222609, 371015, 667827, 1113045, 2003481, 3339135, 6010443, 10017405, 30052215]

約数ペア:

[(1, 30052215), (3, 10017405), (5, 6010443), (9, 3339135), (15, 2003481), (27, 1113045), (45, 667827), (81, 371015), (135, 222609), (405, 74203)]