278323749

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{9661}}^1$

素因数の和:9778

約数の個数: 32

約数和(自身を含む): 454500480

約数和(自身を除く): 176176731

約数列:

[1, 3, 9, 11, 27, 33, 97, 99, 291, 297, 873, 1067, 2619, 3201, 9603, 9661, 28809, 28983, 86949, 106271, 260847, 318813, 937117, 956439, 2811351, 2869317, 8434053, 10308287, 25302159, 30924861, 92774583, 278323749]

約数ペア:

[(1, 278323749), (3, 92774583), (9, 30924861), (11, 25302159), (27, 10308287), (33, 8434053), (97, 2869317), (99, 2811351), (291, 956439), (297, 937117), (873, 318813), (1067, 260847), (2619, 106271), (3201, 86949), (9603, 28983), (9661, 28809)]