66621945

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1$

素因数の和:262

約数の個数: 64

約数和(自身を含む): 120766464

約数和(自身を除く): 54144519

約数列:

[1, 3, 5, 13, 15, 31, 39, 65, 93, 103, 107, 155, 195, 309, 321, 403, 465, 515, 535, 1209, 1339, 1391, 1545, 1605, 2015, 3193, 3317, 4017, 4173, 6045, 6695, 6955, 9579, 9951, 11021, 15965, 16585, 20085, 20865, 33063, 41509, 43121, 47895, 49755, 55105, 124527, 129363, 143273, 165315, 207545, 215605, 341651, 429819, 622635, 646815, 716365, 1024953, 1708255, 2149095, 4441463, 5124765, 13324389, 22207315, 66621945]

約数ペア:

[(1, 66621945), (3, 22207315), (5, 13324389), (13, 5124765), (15, 4441463), (31, 2149095), (39, 1708255), (65, 1024953), (93, 716365), (103, 646815), (107, 622635), (155, 429819), (195, 341651), (309, 215605), (321, 207545), (403, 165315), (465, 143273), (515, 129363), (535, 124527), (1209, 55105), (1339, 49755), (1391, 47895), (1545, 43121), (1605, 41509), (2015, 33063), (3193, 20865), (3317, 20085), (4017, 16585), (4173, 15965), (6045, 11021), (6695, 9951), (6955, 9579)]