1217867973

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{25447}}^1$

素因数の和:25553

約数の個数: 32

約数和(自身を含む): 1934862336

約数和(自身を除く): 716994363

約数列:

[1, 3, 7, 21, 43, 53, 129, 159, 301, 371, 903, 1113, 2279, 6837, 15953, 25447, 47859, 76341, 178129, 534387, 1094221, 1348691, 3282663, 4046073, 7659547, 9440837, 22978641, 28322511, 57993713, 173981139, 405955991, 1217867973]

約数ペア:

[(1, 1217867973), (3, 405955991), (7, 173981139), (21, 57993713), (43, 28322511), (53, 22978641), (129, 9440837), (159, 7659547), (301, 4046073), (371, 3282663), (903, 1348691), (1113, 1094221), (2279, 534387), (6837, 178129), (15953, 76341), (25447, 47859)]