1277991

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{331}}^1$

素因数の和:364

約数の個数: 32

約数和(自身を含む): 2231040

約数和(自身を除く): 953049

約数列:

[1, 3, 9, 11, 13, 27, 33, 39, 99, 117, 143, 297, 331, 351, 429, 993, 1287, 2979, 3641, 3861, 4303, 8937, 10923, 12909, 32769, 38727, 47333, 98307, 116181, 141999, 425997, 1277991]

約数ペア:

[(1, 1277991), (3, 425997), (9, 141999), (11, 116181), (13, 98307), (27, 47333), (33, 38727), (39, 32769), (99, 12909), (117, 10923), (143, 8937), (297, 4303), (331, 3861), (351, 3641), (429, 2979), (993, 1287)]