25140969

素因数分解:

$3^3\times 7^2\times {\mathrm{31}}^1\times {\mathrm{613}}^1$

素因数の和:667

約数の個数: 48

約数和(自身を含む): 44797440

約数和(自身を除く): 19656471

約数列:

[1, 3, 7, 9, 21, 27, 31, 49, 63, 93, 147, 189, 217, 279, 441, 613, 651, 837, 1323, 1519, 1839, 1953, 4291, 4557, 5517, 5859, 12873, 13671, 16551, 19003, 30037, 38619, 41013, 57009, 90111, 115857, 133021, 171027, 270333, 399063, 513081, 810999, 931147, 1197189, 2793441, 3591567, 8380323, 25140969]

約数ペア:

[(1, 25140969), (3, 8380323), (7, 3591567), (9, 2793441), (21, 1197189), (27, 931147), (31, 810999), (49, 513081), (63, 399063), (93, 270333), (147, 171027), (189, 133021), (217, 115857), (279, 90111), (441, 57009), (613, 41013), (651, 38619), (837, 30037), (1323, 19003), (1519, 16551), (1839, 13671), (1953, 12873), (4291, 5859), (4557, 5517)]