287568711

素因数分解:

$3^4\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{661}}^1$

素因数の和:845

約数の個数: 40

約数和(自身を含む): 444085488

約数和(自身を除く): 156516777

約数列:

[1, 3, 9, 27, 41, 81, 123, 131, 369, 393, 661, 1107, 1179, 1983, 3321, 3537, 5371, 5949, 10611, 16113, 17847, 27101, 48339, 53541, 81303, 86591, 145017, 243909, 259773, 435051, 731727, 779319, 2195181, 2337957, 3550231, 7013871, 10650693, 31952079, 95856237, 287568711]

約数ペア:

[(1, 287568711), (3, 95856237), (9, 31952079), (27, 10650693), (41, 7013871), (81, 3550231), (123, 2337957), (131, 2195181), (369, 779319), (393, 731727), (661, 435051), (1107, 259773), (1179, 243909), (1983, 145017), (3321, 86591), (3537, 81303), (5371, 53541), (5949, 48339), (10611, 27101), (16113, 17847)]