1421871213

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{75821}}^1$

素因数の和:75897

約数の個数: 32

約数和(自身を含む): 2329251840

約数和(自身を除く): 907380627

約数列:

[1, 3, 7, 19, 21, 47, 57, 133, 141, 329, 399, 893, 987, 2679, 6251, 18753, 75821, 227463, 530747, 1440599, 1592241, 3563587, 4321797, 10084193, 10690761, 24945109, 30252579, 67708153, 74835327, 203124459, 473957071, 1421871213]

約数ペア:

[(1, 1421871213), (3, 473957071), (7, 203124459), (19, 74835327), (21, 67708153), (47, 30252579), (57, 24945109), (133, 10690761), (141, 10084193), (329, 4321797), (399, 3563587), (893, 1592241), (987, 1440599), (2679, 530747), (6251, 227463), (18753, 75821)]