64576845

素因数分解:

$3^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{3889}}^1$

素因数の和:3947

約数の個数: 40

約数和(自身を含む): 118613880

約数和(自身を除く): 54037035

約数列:

[1, 3, 5, 9, 15, 27, 41, 45, 81, 123, 135, 205, 369, 405, 615, 1107, 1845, 3321, 3889, 5535, 11667, 16605, 19445, 35001, 58335, 105003, 159449, 175005, 315009, 478347, 525015, 797245, 1435041, 1575045, 2391735, 4305123, 7175205, 12915369, 21525615, 64576845]

約数ペア:

[(1, 64576845), (3, 21525615), (5, 12915369), (9, 7175205), (15, 4305123), (27, 2391735), (41, 1575045), (45, 1435041), (81, 797245), (123, 525015), (135, 478347), (205, 315009), (369, 175005), (405, 159449), (615, 105003), (1107, 58335), (1845, 35001), (3321, 19445), (3889, 16605), (5535, 11667)]