57127889

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:142

約数の個数: 48

約数和(自身を含む): 77833728

約数和(自身を除く): 20705839

約数列:

[1, 7, 13, 19, 37, 47, 91, 133, 247, 259, 329, 361, 481, 611, 703, 893, 1729, 1739, 2527, 3367, 4277, 4693, 4921, 6251, 9139, 11609, 12173, 13357, 16967, 22607, 32851, 33041, 63973, 81263, 93499, 118769, 158249, 173641, 220571, 231287, 429533, 627779, 1215487, 1543997, 3006731, 4394453, 8161127, 57127889]

約数ペア:

[(1, 57127889), (7, 8161127), (13, 4394453), (19, 3006731), (37, 1543997), (47, 1215487), (91, 627779), (133, 429533), (247, 231287), (259, 220571), (329, 173641), (361, 158249), (481, 118769), (611, 93499), (703, 81263), (893, 63973), (1729, 33041), (1739, 32851), (2527, 22607), (3367, 16967), (4277, 13357), (4693, 12173), (4921, 11609), (6251, 9139)]