242270007

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{12919}}^1$

素因数の和:12995

約数の個数: 32

約数和(自身を含む): 396902400

約数和(自身を除く): 154632393

約数列:

[1, 3, 7, 19, 21, 47, 57, 133, 141, 329, 399, 893, 987, 2679, 6251, 12919, 18753, 38757, 90433, 245461, 271299, 607193, 736383, 1718227, 1821579, 4250351, 5154681, 11536667, 12751053, 34610001, 80756669, 242270007]

約数ペア:

[(1, 242270007), (3, 80756669), (7, 34610001), (19, 12751053), (21, 11536667), (47, 5154681), (57, 4250351), (133, 1821579), (141, 1718227), (329, 736383), (399, 607193), (893, 271299), (987, 245461), (2679, 90433), (6251, 38757), (12919, 18753)]