16361541

素因数分解:

$3^3\times 7^2\times {\mathrm{83}}^1\times {\mathrm{149}}^1$

素因数の和:255

約数の個数: 48

約数和(自身を含む): 28728000

約数和(自身を除く): 12366459

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 83, 147, 149, 189, 249, 441, 447, 581, 747, 1043, 1323, 1341, 1743, 2241, 3129, 4023, 4067, 5229, 7301, 9387, 12201, 12367, 15687, 21903, 28161, 36603, 37101, 65709, 86569, 109809, 111303, 197127, 259707, 333909, 605983, 779121, 1817949, 2337363, 5453847, 16361541]

約数ペア:

[(1, 16361541), (3, 5453847), (7, 2337363), (9, 1817949), (21, 779121), (27, 605983), (49, 333909), (63, 259707), (83, 197127), (147, 111303), (149, 109809), (189, 86569), (249, 65709), (441, 37101), (447, 36603), (581, 28161), (747, 21903), (1043, 15687), (1323, 12367), (1341, 12201), (1743, 9387), (2241, 7301), (3129, 5229), (4023, 4067)]