199418247

素因数分解:

$3^3\times 7^1\times {\mathrm{313}}^1\times {\mathrm{3371}}^1$

素因数の和:3700

約数の個数: 32

約数和(自身を含む): 338818560

約数和(自身を除く): 139400313

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 313, 939, 2191, 2817, 3371, 6573, 8451, 10113, 19719, 23597, 30339, 59157, 70791, 91017, 212373, 637119, 1055123, 3165369, 7385861, 9496107, 22157583, 28488321, 66472749, 199418247]

約数ペア:

[(1, 199418247), (3, 66472749), (7, 28488321), (9, 22157583), (21, 9496107), (27, 7385861), (63, 3165369), (189, 1055123), (313, 637119), (939, 212373), (2191, 91017), (2817, 70791), (3371, 59157), (6573, 30339), (8451, 23597), (10113, 19719)]