27791889

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1$

素因数の和:134

約数の個数: 64

約数和(自身を含む): 45619200

約数和(自身を除く): 17827311

約数列:

[1, 3, 17, 19, 23, 29, 43, 51, 57, 69, 87, 129, 323, 391, 437, 493, 551, 667, 731, 817, 969, 989, 1173, 1247, 1311, 1479, 1653, 2001, 2193, 2451, 2967, 3741, 7429, 9367, 11339, 12673, 13889, 16813, 18791, 21199, 22287, 23693, 28101, 28681, 34017, 38019, 41667, 50439, 56373, 63597, 71079, 86043, 215441, 319447, 402781, 487577, 544939, 646323, 958341, 1208343, 1462731, 1634817, 9263963, 27791889]

約数ペア:

[(1, 27791889), (3, 9263963), (17, 1634817), (19, 1462731), (23, 1208343), (29, 958341), (43, 646323), (51, 544939), (57, 487577), (69, 402781), (87, 319447), (129, 215441), (323, 86043), (391, 71079), (437, 63597), (493, 56373), (551, 50439), (667, 41667), (731, 38019), (817, 34017), (969, 28681), (989, 28101), (1173, 23693), (1247, 22287), (1311, 21199), (1479, 18791), (1653, 16813), (2001, 13889), (2193, 12673), (2451, 11339), (2967, 9367), (3741, 7429)]