16564779

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{53}}^1$

素因数の和:129

約数の個数: 72

約数和(自身を含む): 31370976

約数和(自身を除く): 14806197

約数列:

[1, 3, 7, 9, 11, 21, 33, 41, 53, 63, 77, 99, 121, 123, 159, 231, 287, 363, 369, 371, 451, 477, 583, 693, 847, 861, 1089, 1113, 1353, 1749, 2173, 2541, 2583, 3157, 3339, 4059, 4081, 4961, 5247, 6413, 6519, 7623, 9471, 12243, 14883, 15211, 19239, 19557, 23903, 28413, 34727, 36729, 44649, 44891, 45633, 57717, 71709, 104181, 134673, 136899, 167321, 215127, 262933, 312543, 404019, 501963, 788799, 1505889, 1840531, 2366397, 5521593, 16564779]

約数ペア:

[(1, 16564779), (3, 5521593), (7, 2366397), (9, 1840531), (11, 1505889), (21, 788799), (33, 501963), (41, 404019), (53, 312543), (63, 262933), (77, 215127), (99, 167321), (121, 136899), (123, 134673), (159, 104181), (231, 71709), (287, 57717), (363, 45633), (369, 44891), (371, 44649), (451, 36729), (477, 34727), (583, 28413), (693, 23903), (847, 19557), (861, 19239), (1089, 15211), (1113, 14883), (1353, 12243), (1749, 9471), (2173, 7623), (2541, 6519), (2583, 6413), (3157, 5247), (3339, 4961), (4059, 4081)]