65978145

素因数分解:

$3^6\times 5^1\times {\mathrm{23}}^1\times {\mathrm{787}}^1$

素因数の和:833

約数の個数: 56

約数和(自身を含む): 124024896

約数和(自身を除く): 58046751

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 81, 115, 135, 207, 243, 345, 405, 621, 729, 787, 1035, 1215, 1863, 2361, 3105, 3645, 3935, 5589, 7083, 9315, 11805, 16767, 18101, 21249, 27945, 35415, 54303, 63747, 83835, 90505, 106245, 162909, 191241, 271515, 318735, 488727, 573723, 814545, 956205, 1466181, 2443635, 2868615, 4398543, 7330905, 13195629, 21992715, 65978145]

約数ペア:

[(1, 65978145), (3, 21992715), (5, 13195629), (9, 7330905), (15, 4398543), (23, 2868615), (27, 2443635), (45, 1466181), (69, 956205), (81, 814545), (115, 573723), (135, 488727), (207, 318735), (243, 271515), (345, 191241), (405, 162909), (621, 106245), (729, 90505), (787, 83835), (1035, 63747), (1215, 54303), (1863, 35415), (2361, 27945), (3105, 21249), (3645, 18101), (3935, 16767), (5589, 11805), (7083, 9315)]