1821980169

素因数分解:

$3^3\times {\mathrm{139}}^1\times {\mathrm{257}}^1\times {\mathrm{1889}}^1$

素因数の和:2294

約数の個数: 32

約数和(自身を含む): 2730672000

約数和(自身を除く): 908691831

約数列:

[1, 3, 9, 27, 139, 257, 417, 771, 1251, 1889, 2313, 3753, 5667, 6939, 17001, 35723, 51003, 107169, 262571, 321507, 485473, 787713, 964521, 1456419, 2363139, 4369257, 7089417, 13107771, 67480747, 202442241, 607326723, 1821980169]

約数ペア:

[(1, 1821980169), (3, 607326723), (9, 202442241), (27, 67480747), (139, 13107771), (257, 7089417), (417, 4369257), (771, 2363139), (1251, 1456419), (1889, 964521), (2313, 787713), (3753, 485473), (5667, 321507), (6939, 262571), (17001, 107169), (35723, 51003)]