25553619

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{761}}^1$

素因数の和:828

約数の個数: 48

約数和(自身を含む): 46597824

約数和(自身を除く): 21044205

約数列:

[1, 3, 7, 9, 13, 21, 39, 41, 63, 91, 117, 123, 273, 287, 369, 533, 761, 819, 861, 1599, 2283, 2583, 3731, 4797, 5327, 6849, 9893, 11193, 15981, 29679, 31201, 33579, 47943, 69251, 89037, 93603, 207753, 218407, 280809, 405613, 623259, 655221, 1216839, 1965663, 2839291, 3650517, 8517873, 25553619]

約数ペア:

[(1, 25553619), (3, 8517873), (7, 3650517), (9, 2839291), (13, 1965663), (21, 1216839), (39, 655221), (41, 623259), (63, 405613), (91, 280809), (117, 218407), (123, 207753), (273, 93603), (287, 89037), (369, 69251), (533, 47943), (761, 33579), (819, 31201), (861, 29679), (1599, 15981), (2283, 11193), (2583, 9893), (3731, 6849), (4797, 5327)]