1268421

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1$

素因数の和:74

約数の個数: 48

約数和(自身を含む): 2357760

約数和(自身を除く): 1089339

約数列:

[1, 3, 7, 11, 17, 19, 21, 33, 51, 57, 77, 119, 133, 187, 209, 231, 289, 323, 357, 399, 561, 627, 867, 969, 1309, 1463, 2023, 2261, 3179, 3553, 3927, 4389, 5491, 6069, 6783, 9537, 10659, 16473, 22253, 24871, 38437, 60401, 66759, 74613, 115311, 181203, 422807, 1268421]

約数ペア:

[(1, 1268421), (3, 422807), (7, 181203), (11, 115311), (17, 74613), (19, 66759), (21, 60401), (33, 38437), (51, 24871), (57, 22253), (77, 16473), (119, 10659), (133, 9537), (187, 6783), (209, 6069), (231, 5491), (289, 4389), (323, 3927), (357, 3553), (399, 3179), (561, 2261), (627, 2023), (867, 1463), (969, 1309)]