13787421

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{223}}^1\times {\mathrm{557}}^1$

素因数の和:820

約数の個数: 16

約数和(自身を含む): 18998784

約数和(自身を除く): 5211363

約数列:

[1, 3, 37, 111, 223, 557, 669, 1671, 8251, 20609, 24753, 61827, 124211, 372633, 4595807, 13787421]

約数ペア:

[(1, 13787421), (3, 4595807), (37, 372633), (111, 124211), (223, 61827), (557, 24753), (669, 20609), (1671, 8251)]