27686619

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:180

約数の個数: 48

約数和(自身を含む): 44104320

約数和(自身を除く): 16417701

約数列:

[1, 3, 9, 29, 37, 47, 61, 87, 111, 141, 183, 261, 333, 423, 549, 1073, 1363, 1739, 1769, 2257, 2867, 3219, 4089, 5217, 5307, 6771, 8601, 9657, 12267, 15651, 15921, 20313, 25803, 50431, 65453, 83143, 106079, 151293, 196359, 249429, 318237, 453879, 589077, 748287, 954711, 3076291, 9228873, 27686619]

約数ペア:

[(1, 27686619), (3, 9228873), (9, 3076291), (29, 954711), (37, 748287), (47, 589077), (61, 453879), (87, 318237), (111, 249429), (141, 196359), (183, 151293), (261, 106079), (333, 83143), (423, 65453), (549, 50431), (1073, 25803), (1363, 20313), (1739, 15921), (1769, 15651), (2257, 12267), (2867, 9657), (3219, 8601), (4089, 6771), (5217, 5307)]