15980349

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{331}}^1$

素因数の和:382

約数の個数: 48

約数和(自身を含む): 28259840

約数和(自身を除く): 12279491

約数列:

[1, 3, 7, 11, 19, 21, 33, 57, 77, 121, 133, 209, 231, 331, 363, 399, 627, 847, 993, 1463, 2299, 2317, 2541, 3641, 4389, 6289, 6897, 6951, 10923, 16093, 18867, 25487, 40051, 44023, 48279, 69179, 76461, 120153, 132069, 207537, 280357, 484253, 760969, 841071, 1452759, 2282907, 5326783, 15980349]

約数ペア:

[(1, 15980349), (3, 5326783), (7, 2282907), (11, 1452759), (19, 841071), (21, 760969), (33, 484253), (57, 280357), (77, 207537), (121, 132069), (133, 120153), (209, 76461), (231, 69179), (331, 48279), (363, 44023), (399, 40051), (627, 25487), (847, 18867), (993, 16093), (1463, 10923), (2299, 6951), (2317, 6897), (2541, 6289), (3641, 4389)]