13921509

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1$

素因数の和:130

約数の個数: 64

約数和(自身を含む): 24514560

約数和(自身を除く): 10593051

約数列:

[1, 3, 7, 19, 21, 23, 37, 41, 57, 69, 111, 123, 133, 161, 259, 287, 399, 437, 483, 703, 777, 779, 851, 861, 943, 1311, 1517, 2109, 2337, 2553, 2829, 3059, 4551, 4921, 5453, 5957, 6601, 9177, 10619, 14763, 16169, 16359, 17871, 17917, 19803, 28823, 31857, 34891, 48507, 53751, 86469, 104673, 113183, 125419, 201761, 244237, 339549, 376257, 605283, 662929, 732711, 1988787, 4640503, 13921509]

約数ペア:

[(1, 13921509), (3, 4640503), (7, 1988787), (19, 732711), (21, 662929), (23, 605283), (37, 376257), (41, 339549), (57, 244237), (69, 201761), (111, 125419), (123, 113183), (133, 104673), (161, 86469), (259, 53751), (287, 48507), (399, 34891), (437, 31857), (483, 28823), (703, 19803), (777, 17917), (779, 17871), (851, 16359), (861, 16169), (943, 14763), (1311, 10619), (1517, 9177), (2109, 6601), (2337, 5957), (2553, 5453), (2829, 4921), (3059, 4551)]