208332549

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{977}}^1$

素因数の和:1074

約数の個数: 48

約数和(自身を含む): 335649600

約数和(自身を除く): 127317051

約数列:

[1, 3, 9, 19, 29, 43, 57, 87, 129, 171, 261, 387, 551, 817, 977, 1247, 1653, 2451, 2931, 3741, 4959, 7353, 8793, 11223, 18563, 23693, 28333, 42011, 55689, 71079, 84999, 126033, 167067, 213237, 254997, 378099, 538327, 798209, 1218319, 1614981, 2394627, 3654957, 4844943, 7183881, 10964871, 23148061, 69444183, 208332549]

約数ペア:

[(1, 208332549), (3, 69444183), (9, 23148061), (19, 10964871), (29, 7183881), (43, 4844943), (57, 3654957), (87, 2394627), (129, 1614981), (171, 1218319), (261, 798209), (387, 538327), (551, 378099), (817, 254997), (977, 213237), (1247, 167067), (1653, 126033), (2451, 84999), (2931, 71079), (3741, 55689), (4959, 42011), (7353, 28333), (8793, 23693), (11223, 18563)]