27966081

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1$

素因数の和:166

約数の個数: 64

約数和(自身を含む): 47738880

約数和(自身を除く): 19772799

約数列:

[1, 3, 11, 13, 19, 33, 39, 47, 57, 73, 141, 143, 209, 219, 247, 429, 517, 611, 627, 741, 803, 893, 949, 1387, 1551, 1833, 2409, 2679, 2717, 2847, 3431, 4161, 6721, 8151, 9823, 10293, 10439, 11609, 15257, 18031, 20163, 29469, 31317, 34827, 37741, 44603, 45771, 54093, 65189, 113223, 127699, 133809, 195567, 198341, 383097, 490633, 595023, 717079, 847457, 1471899, 2151237, 2542371, 9322027, 27966081]

約数ペア:

[(1, 27966081), (3, 9322027), (11, 2542371), (13, 2151237), (19, 1471899), (33, 847457), (39, 717079), (47, 595023), (57, 490633), (73, 383097), (141, 198341), (143, 195567), (209, 133809), (219, 127699), (247, 113223), (429, 65189), (517, 54093), (611, 45771), (627, 44603), (741, 37741), (803, 34827), (893, 31317), (949, 29469), (1387, 20163), (1551, 18031), (1833, 15257), (2409, 11609), (2679, 10439), (2717, 10293), (2847, 9823), (3431, 8151), (4161, 6721)]