28691103

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{709}}^1$

素因数の和:807

約数の個数: 32

約数和(自身を含む): 45803520

約数和(自身を除く): 17112417

約数列:

[1, 3, 7, 21, 41, 47, 123, 141, 287, 329, 709, 861, 987, 1927, 2127, 4963, 5781, 13489, 14889, 29069, 33323, 40467, 87207, 99969, 203483, 233261, 610449, 699783, 1366243, 4098729, 9563701, 28691103]

約数ペア:

[(1, 28691103), (3, 9563701), (7, 4098729), (21, 1366243), (41, 699783), (47, 610449), (123, 233261), (141, 203483), (287, 99969), (329, 87207), (709, 40467), (861, 33323), (987, 29069), (1927, 14889), (2127, 13489), (4963, 5781)]