27681381

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{463}}^1$

素因数の和:562

約数の個数: 48

約数和(自身を含む): 49993216

約数和(自身を除く): 22311835

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 73, 91, 117, 219, 273, 463, 511, 657, 819, 949, 1389, 1533, 2847, 3241, 4167, 4599, 6019, 6643, 8541, 9723, 18057, 19929, 29169, 33799, 42133, 54171, 59787, 101397, 126399, 236593, 304191, 379197, 439387, 709779, 1318161, 2129337, 3075709, 3954483, 9227127, 27681381]

約数ペア:

[(1, 27681381), (3, 9227127), (7, 3954483), (9, 3075709), (13, 2129337), (21, 1318161), (39, 709779), (63, 439387), (73, 379197), (91, 304191), (117, 236593), (219, 126399), (273, 101397), (463, 59787), (511, 54171), (657, 42133), (819, 33799), (949, 29169), (1389, 19929), (1533, 18057), (2847, 9723), (3241, 8541), (4167, 6643), (4599, 6019)]