12122019

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{41}}^1$

素因数の和:105

約数の個数: 72

約数和(自身を含む): 23298912

約数和(自身を除く): 11176893

約数列:

[1, 3, 7, 9, 13, 19, 21, 39, 41, 57, 63, 91, 117, 123, 133, 171, 247, 273, 287, 361, 369, 399, 533, 741, 779, 819, 861, 1083, 1197, 1599, 1729, 2223, 2337, 2527, 2583, 3249, 3731, 4693, 4797, 5187, 5453, 7011, 7581, 10127, 11193, 14079, 14801, 15561, 16359, 22743, 30381, 32851, 33579, 42237, 44403, 49077, 70889, 91143, 98553, 103607, 133209, 192413, 212667, 295659, 310821, 577239, 638001, 932463, 1346891, 1731717, 4040673, 12122019]

約数ペア:

[(1, 12122019), (3, 4040673), (7, 1731717), (9, 1346891), (13, 932463), (19, 638001), (21, 577239), (39, 310821), (41, 295659), (57, 212667), (63, 192413), (91, 133209), (117, 103607), (123, 98553), (133, 91143), (171, 70889), (247, 49077), (273, 44403), (287, 42237), (361, 33579), (369, 32851), (399, 30381), (533, 22743), (741, 16359), (779, 15561), (819, 14801), (861, 14079), (1083, 11193), (1197, 10127), (1599, 7581), (1729, 7011), (2223, 5453), (2337, 5187), (2527, 4797), (2583, 4693), (3249, 3731)]