12780945

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{6043}}^1$

素因数の和:6101

約数の個数: 24

約数和(自身を含む): 22628736

約数和(自身を除く): 9847791

約数列:

[1, 3, 5, 9, 15, 45, 47, 141, 235, 423, 705, 2115, 6043, 18129, 30215, 54387, 90645, 271935, 284021, 852063, 1420105, 2556189, 4260315, 12780945]

約数ペア:

[(1, 12780945), (3, 4260315), (5, 2556189), (9, 1420105), (15, 852063), (45, 284021), (47, 271935), (141, 90645), (235, 54387), (423, 30215), (705, 18129), (2115, 6043)]