840507867

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{18947}}^1$

素因数の和:19040

約数の個数: 32

約数和(自身を含む): 1309685760

約数和(自身を除く): 469177893

約数列:

[1, 3, 9, 27, 31, 53, 93, 159, 279, 477, 837, 1431, 1643, 4929, 14787, 18947, 44361, 56841, 170523, 511569, 587357, 1004191, 1762071, 3012573, 5286213, 9037719, 15858639, 27113157, 31129921, 93389763, 280169289, 840507867]

約数ペア:

[(1, 840507867), (3, 280169289), (9, 93389763), (27, 31129921), (31, 27113157), (53, 15858639), (93, 9037719), (159, 5286213), (279, 3012573), (477, 1762071), (837, 1004191), (1431, 587357), (1643, 511569), (4929, 170523), (14787, 56841), (18947, 44361)]