280784826

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{742817}}^1$

素因数の和:742835

約数の個数: 32

約数和(自身を含む): 713105280

約数和(自身を除く): 432320454

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 742817, 1485634, 2228451, 4456902, 5199719, 6685353, 10399438, 13370706, 15599157, 20056059, 31198314, 40112118, 46797471, 93594942, 140392413, 280784826]

約数ペア:

[(1, 280784826), (2, 140392413), (3, 93594942), (6, 46797471), (7, 40112118), (9, 31198314), (14, 20056059), (18, 15599157), (21, 13370706), (27, 10399438), (42, 6685353), (54, 5199719), (63, 4456902), (126, 2228451), (189, 1485634), (378, 742817)]