689048913

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{307}}^1\times {\mathrm{6287}}^1$

素因数の和:6621

約数の個数: 32

約数和(自身を含む): 1115541504

約数和(自身を除く): 426492591

約数列:

[1, 3, 7, 17, 21, 51, 119, 307, 357, 921, 2149, 5219, 6287, 6447, 15657, 18861, 36533, 44009, 106879, 109599, 132027, 320637, 748153, 1930109, 2244459, 5790327, 13510763, 32811853, 40532289, 98435559, 229682971, 689048913]

約数ペア:

[(1, 689048913), (3, 229682971), (7, 98435559), (17, 40532289), (21, 32811853), (51, 13510763), (119, 5790327), (307, 2244459), (357, 1930109), (921, 748153), (2149, 320637), (5219, 132027), (6287, 109599), (6447, 106879), (15657, 44009), (18861, 36533)]