27823905

素因数分解:

$3^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1$

素因数の和:172

約数の個数: 80

約数和(自身を含む): 54362880

約数和(自身を除く): 26538975

約数列:

[1, 3, 5, 9, 15, 23, 27, 29, 45, 69, 81, 87, 103, 115, 135, 145, 207, 261, 309, 345, 405, 435, 515, 621, 667, 783, 927, 1035, 1305, 1545, 1863, 2001, 2349, 2369, 2781, 2987, 3105, 3335, 3915, 4635, 6003, 7107, 8343, 8961, 9315, 10005, 11745, 11845, 13905, 14935, 18009, 21321, 26883, 30015, 35535, 41715, 44805, 54027, 63963, 68701, 80649, 90045, 106605, 134415, 191889, 206103, 241947, 270135, 319815, 343505, 403245, 618309, 959445, 1030515, 1209735, 1854927, 3091545, 5564781, 9274635, 27823905]

約数ペア:

[(1, 27823905), (3, 9274635), (5, 5564781), (9, 3091545), (15, 1854927), (23, 1209735), (27, 1030515), (29, 959445), (45, 618309), (69, 403245), (81, 343505), (87, 319815), (103, 270135), (115, 241947), (135, 206103), (145, 191889), (207, 134415), (261, 106605), (309, 90045), (345, 80649), (405, 68701), (435, 63963), (515, 54027), (621, 44805), (667, 41715), (783, 35535), (927, 30015), (1035, 26883), (1305, 21321), (1545, 18009), (1863, 14935), (2001, 13905), (2349, 11845), (2369, 11745), (2781, 10005), (2987, 9315), (3105, 8961), (3335, 8343), (3915, 7107), (4635, 6003)]