665702961

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{1171}}^1$

素因数の和:1322

約数の個数: 64

約数和(自身を含む): 1166524416

約数和(自身を除く): 500821455

約数列:

[1, 3, 7, 11, 21, 23, 33, 69, 77, 107, 161, 231, 253, 321, 483, 749, 759, 1171, 1177, 1771, 2247, 2461, 3513, 3531, 5313, 7383, 8197, 8239, 12881, 17227, 24591, 24717, 26933, 27071, 38643, 51681, 80799, 81213, 90167, 125297, 188531, 189497, 270501, 296263, 375891, 565593, 568491, 877079, 888789, 1378267, 2073841, 2631237, 2881831, 4134801, 6221523, 8645493, 9647869, 20172817, 28943607, 31700141, 60518451, 95100423, 221900987, 665702961]

約数ペア:

[(1, 665702961), (3, 221900987), (7, 95100423), (11, 60518451), (21, 31700141), (23, 28943607), (33, 20172817), (69, 9647869), (77, 8645493), (107, 6221523), (161, 4134801), (231, 2881831), (253, 2631237), (321, 2073841), (483, 1378267), (749, 888789), (759, 877079), (1171, 568491), (1177, 565593), (1771, 375891), (2247, 296263), (2461, 270501), (3513, 189497), (3531, 188531), (5313, 125297), (7383, 90167), (8197, 81213), (8239, 80799), (12881, 51681), (17227, 38643), (24591, 27071), (24717, 26933)]