12821415

素因数分解:

$3^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{4051}}^1$

素因数の和:4270

約数の個数: 16

約数和(自身を含む): 20616576

約数和(自身を除く): 7795161

約数列:

[1, 3, 5, 15, 211, 633, 1055, 3165, 4051, 12153, 20255, 60765, 854761, 2564283, 4273805, 12821415]

約数ペア:

[(1, 12821415), (3, 4273805), (5, 2564283), (15, 854761), (211, 60765), (633, 20255), (1055, 12153), (3165, 4051)]