81395214

素因数分解:

$2^1\times 3^1\times {\mathrm{631}}^1\times {\mathrm{21499}}^1$

素因数の和:22135

約数の個数: 16

約数和(自身を含む): 163056000

約数和(自身を除く): 81660786

約数列:

[1, 2, 3, 6, 631, 1262, 1893, 3786, 21499, 42998, 64497, 128994, 13565869, 27131738, 40697607, 81395214]

約数ペア:

[(1, 81395214), (2, 40697607), (3, 27131738), (6, 13565869), (631, 128994), (1262, 64497), (1893, 42998), (3786, 21499)]