12788865

素因数分解:

$3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{7681}}^1$

素因数の和:7729

約数の個数: 24

約数和(自身を含む): 22769448

約数和(自身を除く): 9980583

約数列:

[1, 3, 5, 9, 15, 37, 45, 111, 185, 333, 555, 1665, 7681, 23043, 38405, 69129, 115215, 284197, 345645, 852591, 1420985, 2557773, 4262955, 12788865]

約数ペア:

[(1, 12788865), (3, 4262955), (5, 2557773), (9, 1420985), (15, 852591), (37, 345645), (45, 284197), (111, 115215), (185, 69129), (333, 38405), (555, 23043), (1665, 7681)]