187731405

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{587}}^1$

素因数の和:727

約数の個数: 64

約数和(自身を含む): 352235520

約数和(自身を除く): 164504115

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 103, 115, 135, 207, 309, 345, 515, 587, 621, 927, 1035, 1545, 1761, 2369, 2781, 2935, 3105, 4635, 5283, 7107, 8805, 11845, 13501, 13905, 15849, 21321, 26415, 35535, 40503, 60461, 63963, 67505, 79245, 106605, 121509, 181383, 202515, 302305, 319815, 364527, 544149, 607545, 906915, 1390603, 1632447, 1822635, 2720745, 4171809, 6953015, 8162235, 12515427, 20859045, 37546281, 62577135, 187731405]

約数ペア:

[(1, 187731405), (3, 62577135), (5, 37546281), (9, 20859045), (15, 12515427), (23, 8162235), (27, 6953015), (45, 4171809), (69, 2720745), (103, 1822635), (115, 1632447), (135, 1390603), (207, 906915), (309, 607545), (345, 544149), (515, 364527), (587, 319815), (621, 302305), (927, 202515), (1035, 181383), (1545, 121509), (1761, 106605), (2369, 79245), (2781, 67505), (2935, 63963), (3105, 60461), (4635, 40503), (5283, 35535), (7107, 26415), (8805, 21321), (11845, 15849), (13501, 13905)]