254345247

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{2011}}^1$

素因数の和:2100

約数の個数: 48

約数和(自身を含む): 421843968

約数和(自身を除く): 167498721

約数列:

[1, 3, 9, 13, 23, 39, 47, 69, 117, 141, 207, 299, 423, 611, 897, 1081, 1833, 2011, 2691, 3243, 5499, 6033, 9729, 14053, 18099, 26143, 42159, 46253, 78429, 94517, 126477, 138759, 235287, 283551, 416277, 601289, 850653, 1228721, 1803867, 2173891, 3686163, 5411601, 6521673, 11058489, 19565019, 28260583, 84781749, 254345247]

約数ペア:

[(1, 254345247), (3, 84781749), (9, 28260583), (13, 19565019), (23, 11058489), (39, 6521673), (47, 5411601), (69, 3686163), (117, 2173891), (141, 1803867), (207, 1228721), (299, 850653), (423, 601289), (611, 416277), (897, 283551), (1081, 235287), (1833, 138759), (2011, 126477), (2691, 94517), (3243, 78429), (5499, 46253), (6033, 42159), (9729, 26143), (14053, 18099)]