179759979

素因数分解:

$3^5\times 7^2\times {\mathrm{31}}^1\times {\mathrm{487}}^1$

素因数の和:547

約数の個数: 72

約数和(自身を含む): 324000768

約数和(自身を除く): 144240789

約数列:

[1, 3, 7, 9, 21, 27, 31, 49, 63, 81, 93, 147, 189, 217, 243, 279, 441, 487, 567, 651, 837, 1323, 1461, 1519, 1701, 1953, 2511, 3409, 3969, 4383, 4557, 5859, 7533, 10227, 11907, 13149, 13671, 15097, 17577, 23863, 30681, 39447, 41013, 45291, 52731, 71589, 92043, 105679, 118341, 123039, 135873, 214767, 276129, 317037, 369117, 407619, 644301, 739753, 828387, 951111, 1222857, 1932903, 2219259, 2853333, 3668571, 5798709, 6657777, 8559999, 19973331, 25679997, 59919993, 179759979]

約数ペア:

[(1, 179759979), (3, 59919993), (7, 25679997), (9, 19973331), (21, 8559999), (27, 6657777), (31, 5798709), (49, 3668571), (63, 2853333), (81, 2219259), (93, 1932903), (147, 1222857), (189, 951111), (217, 828387), (243, 739753), (279, 644301), (441, 407619), (487, 369117), (567, 317037), (651, 276129), (837, 214767), (1323, 135873), (1461, 123039), (1519, 118341), (1701, 105679), (1953, 92043), (2511, 71589), (3409, 52731), (3969, 45291), (4383, 41013), (4557, 39447), (5859, 30681), (7533, 23863), (10227, 17577), (11907, 15097), (13149, 13671)]