287769027

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{10867}}^1$

素因数の和:10987

約数の個数: 32

約数和(自身を含む): 477148672

約数和(自身を除く): 189379645

約数列:

[1, 3, 7, 13, 21, 39, 91, 97, 273, 291, 679, 1261, 2037, 3783, 8827, 10867, 26481, 32601, 76069, 141271, 228207, 423813, 988897, 1054099, 2966691, 3162297, 7378693, 13703287, 22136079, 41109861, 95923009, 287769027]

約数ペア:

[(1, 287769027), (3, 95923009), (7, 41109861), (13, 22136079), (21, 13703287), (39, 7378693), (91, 3162297), (97, 2966691), (273, 1054099), (291, 988897), (679, 423813), (1261, 228207), (2037, 141271), (3783, 76069), (8827, 32601), (10867, 26481)]