129431379

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{139}}^2$

素因数の和:328

約数の個数: 48

約数和(自身を含む): 224190720

約数和(自身を除く): 94759341

約数列:

[1, 3, 7, 11, 21, 29, 33, 77, 87, 139, 203, 231, 319, 417, 609, 957, 973, 1529, 2233, 2919, 4031, 4587, 6699, 10703, 12093, 19321, 28217, 32109, 44341, 57963, 84651, 133023, 135247, 212531, 310387, 405741, 560309, 637593, 931161, 1487717, 1680927, 3922163, 4463151, 6163399, 11766489, 18490197, 43143793, 129431379]

約数ペア:

[(1, 129431379), (3, 43143793), (7, 18490197), (11, 11766489), (21, 6163399), (29, 4463151), (33, 3922163), (77, 1680927), (87, 1487717), (139, 931161), (203, 637593), (231, 560309), (319, 405741), (417, 310387), (609, 212531), (957, 135247), (973, 133023), (1529, 84651), (2233, 57963), (2919, 44341), (4031, 32109), (4587, 28217), (6699, 19321), (10703, 12093)]