71745345

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{25307}}^1$

素因数の和:25331

約数の個数: 40

約数和(自身を含む): 146988864

約数和(自身を除く): 75243519

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 315, 405, 567, 945, 2835, 25307, 75921, 126535, 177149, 227763, 379605, 531447, 683289, 885745, 1138815, 1594341, 2049867, 2657235, 3416445, 4783023, 7971705, 10249335, 14349069, 23915115, 71745345]

約数ペア:

[(1, 71745345), (3, 23915115), (5, 14349069), (7, 10249335), (9, 7971705), (15, 4783023), (21, 3416445), (27, 2657235), (35, 2049867), (45, 1594341), (63, 1138815), (81, 885745), (105, 683289), (135, 531447), (189, 379605), (315, 227763), (405, 177149), (567, 126535), (945, 75921), (2835, 25307)]