197341491

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{29}}^2\times {\mathrm{43}}^1\times {\mathrm{107}}^1$

素因数の和:228

約数の個数: 48

約数和(自身を含む): 298007424

約数和(自身を除く): 100665933

約数列:

[1, 3, 17, 29, 43, 51, 87, 107, 129, 321, 493, 731, 841, 1247, 1479, 1819, 2193, 2523, 3103, 3741, 4601, 5457, 9309, 13803, 14297, 21199, 36163, 42891, 52751, 63597, 78217, 89987, 108489, 133429, 158253, 234651, 269961, 400287, 614771, 1529779, 1844313, 2268293, 3869441, 4589337, 6804879, 11608323, 65780497, 197341491]

約数ペア:

[(1, 197341491), (3, 65780497), (17, 11608323), (29, 6804879), (43, 4589337), (51, 3869441), (87, 2268293), (107, 1844313), (129, 1529779), (321, 614771), (493, 400287), (731, 269961), (841, 234651), (1247, 158253), (1479, 133429), (1819, 108489), (2193, 89987), (2523, 78217), (3103, 63597), (3741, 52751), (4601, 42891), (5457, 36163), (9309, 21199), (13803, 14297)]