199984869

素因数分解:

$3^5\times 7^1\times {\mathrm{89}}^1\times {\mathrm{1321}}^1$

素因数の和:1432

約数の個数: 48

約数和(自身を含む): 346469760

約数和(自身を除く): 146484891

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 89, 189, 243, 267, 567, 623, 801, 1321, 1701, 1869, 2403, 3963, 5607, 7209, 9247, 11889, 16821, 21627, 27741, 35667, 50463, 83223, 107001, 117569, 151389, 249669, 321003, 352707, 749007, 822983, 1058121, 2247021, 2468949, 3174363, 7406847, 9523089, 22220541, 28569267, 66661623, 199984869]

約数ペア:

[(1, 199984869), (3, 66661623), (7, 28569267), (9, 22220541), (21, 9523089), (27, 7406847), (63, 3174363), (81, 2468949), (89, 2247021), (189, 1058121), (243, 822983), (267, 749007), (567, 352707), (623, 321003), (801, 249669), (1321, 151389), (1701, 117569), (1869, 107001), (2403, 83223), (3963, 50463), (5607, 35667), (7209, 27741), (9247, 21627), (11889, 16821)]