1991089890

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{7374407}}^1$

素因数の和:7374423

約数の個数: 32

約数和(自身を含む): 5309573760

約数和(自身を除く): 3318483870

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 7374407, 14748814, 22123221, 36872035, 44246442, 66369663, 73744070, 110616105, 132739326, 199108989, 221232210, 331848315, 398217978, 663696630, 995544945, 1991089890]

約数ペア:

[(1, 1991089890), (2, 995544945), (3, 663696630), (5, 398217978), (6, 331848315), (9, 221232210), (10, 199108989), (15, 132739326), (18, 110616105), (27, 73744070), (30, 66369663), (45, 44246442), (54, 36872035), (90, 22123221), (135, 14748814), (270, 7374407)]