12771645

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{19801}}^1$

素因数の和:19852

約数の個数: 16

約数和(自身を含む): 20910912

約数和(自身を除く): 8139267

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 19801, 59403, 99005, 297015, 851443, 2554329, 4257215, 12771645]

約数ペア:

[(1, 12771645), (3, 4257215), (5, 2554329), (15, 851443), (43, 297015), (129, 99005), (215, 59403), (645, 19801)]