201536979

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:248

約数の個数: 64

約数和(自身を含む): 331776000

約数和(自身を除く): 130239021

約数列:

[1, 3, 7, 21, 29, 59, 71, 79, 87, 177, 203, 213, 237, 413, 497, 553, 609, 1239, 1491, 1659, 1711, 2059, 2291, 4189, 4661, 5133, 5609, 6177, 6873, 11977, 12567, 13983, 14413, 16037, 16827, 29323, 32627, 35931, 39263, 43239, 48111, 87969, 97881, 117789, 121481, 135169, 162661, 330931, 364443, 405507, 487983, 850367, 946183, 992793, 1138627, 2316517, 2551101, 2838549, 3415881, 6949551, 9596999, 28790997, 67178993, 201536979]

約数ペア:

[(1, 201536979), (3, 67178993), (7, 28790997), (21, 9596999), (29, 6949551), (59, 3415881), (71, 2838549), (79, 2551101), (87, 2316517), (177, 1138627), (203, 992793), (213, 946183), (237, 850367), (413, 487983), (497, 405507), (553, 364443), (609, 330931), (1239, 162661), (1491, 135169), (1659, 121481), (1711, 117789), (2059, 97881), (2291, 87969), (4189, 48111), (4661, 43239), (5133, 39263), (5609, 35931), (6177, 32627), (6873, 29323), (11977, 16827), (12567, 16037), (13983, 14413)]