13372821

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{839}}^1$

素因数の和:886

約数の個数: 48

約数和(自身を含む): 25159680

約数和(自身を除く): 11786859

約数列:

[1, 3, 7, 9, 11, 21, 23, 33, 63, 69, 77, 99, 161, 207, 231, 253, 483, 693, 759, 839, 1449, 1771, 2277, 2517, 5313, 5873, 7551, 9229, 15939, 17619, 19297, 27687, 52857, 57891, 64603, 83061, 135079, 173673, 193809, 212267, 405237, 581427, 636801, 1215711, 1485869, 1910403, 4457607, 13372821]

約数ペア:

[(1, 13372821), (3, 4457607), (7, 1910403), (9, 1485869), (11, 1215711), (21, 636801), (23, 581427), (33, 405237), (63, 212267), (69, 193809), (77, 173673), (99, 135079), (161, 83061), (207, 64603), (231, 57891), (253, 52857), (483, 27687), (693, 19297), (759, 17619), (839, 15939), (1449, 9229), (1771, 7551), (2277, 5873), (2517, 5313)]