17684079

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:140

約数の個数: 64

約数和(自身を含む): 30965760

約数和(自身を除く): 13281681

約数列:

[1, 3, 7, 19, 21, 23, 41, 47, 57, 69, 123, 133, 141, 161, 287, 329, 399, 437, 483, 779, 861, 893, 943, 987, 1081, 1311, 1927, 2337, 2679, 2829, 3059, 3243, 5453, 5781, 6251, 6601, 7567, 9177, 13489, 16359, 17917, 18753, 19803, 20539, 22701, 36613, 40467, 44321, 53751, 61617, 109839, 125419, 132963, 143773, 256291, 310247, 376257, 431319, 768873, 842099, 930741, 2526297, 5894693, 17684079]

約数ペア:

[(1, 17684079), (3, 5894693), (7, 2526297), (19, 930741), (21, 842099), (23, 768873), (41, 431319), (47, 376257), (57, 310247), (69, 256291), (123, 143773), (133, 132963), (141, 125419), (161, 109839), (287, 61617), (329, 53751), (399, 44321), (437, 40467), (483, 36613), (779, 22701), (861, 20539), (893, 19803), (943, 18753), (987, 17917), (1081, 16359), (1311, 13489), (1927, 9177), (2337, 7567), (2679, 6601), (2829, 6251), (3059, 5781), (3243, 5453)]