71575245

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{25247}}^1$

素因数の和:25271

約数の個数: 40

約数和(自身を含む): 146640384

約数和(自身を除く): 75065139

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 315, 405, 567, 945, 2835, 25247, 75741, 126235, 176729, 227223, 378705, 530187, 681669, 883645, 1136115, 1590561, 2045007, 2650935, 3408345, 4771683, 7952805, 10225035, 14315049, 23858415, 71575245]

約数ペア:

[(1, 71575245), (3, 23858415), (5, 14315049), (7, 10225035), (9, 7952805), (15, 4771683), (21, 3408345), (27, 2650935), (35, 2045007), (45, 1590561), (63, 1136115), (81, 883645), (105, 681669), (135, 530187), (189, 378705), (315, 227223), (405, 176729), (567, 126235), (945, 75741), (2835, 25247)]