279369837

素因数分解:

$3^3\times {\mathrm{53}}^1\times {\mathrm{197}}^1\times {\mathrm{991}}^1$

素因数の和:1250

約数の個数: 32

約数和(自身を含む): 424258560

約数和(自身を除く): 144888723

約数列:

[1, 3, 9, 27, 53, 159, 197, 477, 591, 991, 1431, 1773, 2973, 5319, 8919, 10441, 26757, 31323, 52523, 93969, 157569, 195227, 281907, 472707, 585681, 1418121, 1757043, 5271129, 10347031, 31041093, 93123279, 279369837]

約数ペア:

[(1, 279369837), (3, 93123279), (9, 31041093), (27, 10347031), (53, 5271129), (159, 1757043), (197, 1418121), (477, 585681), (591, 472707), (991, 281907), (1431, 195227), (1773, 157569), (2973, 93969), (5319, 52523), (8919, 31323), (10441, 26757)]