64809315

素因数分解:

$3^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1301}}^1$

素因数の和:1362

約数の個数: 48

約数和(自身を含む): 119429856

約数和(自身を除く): 54620541

約数列:

[1, 3, 5, 9, 15, 27, 41, 45, 81, 123, 135, 205, 243, 369, 405, 615, 1107, 1215, 1301, 1845, 3321, 3903, 5535, 6505, 9963, 11709, 16605, 19515, 35127, 49815, 53341, 58545, 105381, 160023, 175635, 266705, 316143, 480069, 526905, 800115, 1440207, 1580715, 2400345, 4320621, 7201035, 12961863, 21603105, 64809315]

約数ペア:

[(1, 64809315), (3, 21603105), (5, 12961863), (9, 7201035), (15, 4320621), (27, 2400345), (41, 1580715), (45, 1440207), (81, 800115), (123, 526905), (135, 480069), (205, 316143), (243, 266705), (369, 175635), (405, 160023), (615, 105381), (1107, 58545), (1215, 53341), (1301, 49815), (1845, 35127), (3321, 19515), (3903, 16605), (5535, 11709), (6505, 9963)]