213060303

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1549}}^1$

素因数の和:1632

約数の個数: 48

約数和(自身を含む): 348192000

約数和(自身を除く): 135131697

約数列:

[1, 3, 9, 17, 29, 31, 51, 87, 93, 153, 261, 279, 493, 527, 899, 1479, 1549, 1581, 2697, 4437, 4647, 4743, 8091, 13941, 15283, 26333, 44921, 45849, 48019, 78999, 134763, 137547, 144057, 236997, 404289, 432171, 763657, 816323, 1392551, 2290971, 2448969, 4177653, 6872913, 7346907, 12532959, 23673367, 71020101, 213060303]

約数ペア:

[(1, 213060303), (3, 71020101), (9, 23673367), (17, 12532959), (29, 7346907), (31, 6872913), (51, 4177653), (87, 2448969), (93, 2290971), (153, 1392551), (261, 816323), (279, 763657), (493, 432171), (527, 404289), (899, 236997), (1479, 144057), (1549, 137547), (1581, 134763), (2697, 78999), (4437, 48019), (4647, 45849), (4743, 44921), (8091, 26333), (13941, 15283)]