277947801

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1$

素因数の和:275

約数の個数: 64

約数和(自身を含む): 447897600

約数和(自身を除く): 169949799

約数列:

[1, 3, 9, 23, 27, 47, 69, 89, 107, 141, 207, 267, 321, 423, 621, 801, 963, 1081, 1269, 2047, 2403, 2461, 2889, 3243, 4183, 5029, 6141, 7383, 9523, 9729, 12549, 15087, 18423, 22149, 28569, 29187, 37647, 45261, 55269, 66447, 85707, 96209, 112941, 115667, 135783, 219029, 257121, 288627, 347001, 447581, 657087, 865881, 1041003, 1342743, 1971261, 2597643, 3123009, 4028229, 5913783, 10294363, 12084687, 30883089, 92649267, 277947801]

約数ペア:

[(1, 277947801), (3, 92649267), (9, 30883089), (23, 12084687), (27, 10294363), (47, 5913783), (69, 4028229), (89, 3123009), (107, 2597643), (141, 1971261), (207, 1342743), (267, 1041003), (321, 865881), (423, 657087), (621, 447581), (801, 347001), (963, 288627), (1081, 257121), (1269, 219029), (2047, 135783), (2403, 115667), (2461, 112941), (2889, 96209), (3243, 85707), (4183, 66447), (5029, 55269), (6141, 45261), (7383, 37647), (9523, 29187), (9729, 28569), (12549, 22149), (15087, 18423)]