27581169

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{461}}^1$

素因数の和:526

約数の個数: 48

約数和(自身を含む): 48033216

約数和(自身を除く): 20452047

約数列:

[1, 3, 7, 11, 21, 33, 37, 49, 77, 111, 147, 231, 259, 407, 461, 539, 777, 1221, 1383, 1617, 1813, 2849, 3227, 5071, 5439, 8547, 9681, 15213, 17057, 19943, 22589, 35497, 51171, 59829, 67767, 106491, 119399, 187627, 248479, 358197, 562881, 745437, 835793, 1313389, 2507379, 3940167, 9193723, 27581169]

約数ペア:

[(1, 27581169), (3, 9193723), (7, 3940167), (11, 2507379), (21, 1313389), (33, 835793), (37, 745437), (49, 562881), (77, 358197), (111, 248479), (147, 187627), (231, 119399), (259, 106491), (407, 67767), (461, 59829), (539, 51171), (777, 35497), (1221, 22589), (1383, 19943), (1617, 17057), (1813, 15213), (2849, 9681), (3227, 8547), (5071, 5439)]