31274019

素因数分解:

$3^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2903}}^1$

素因数の和:2941

約数の個数: 40

約数和(自身を含む): 56221440

約数和(自身を除く): 24947421

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 81, 133, 171, 189, 399, 513, 567, 1197, 1539, 2903, 3591, 8709, 10773, 20321, 26127, 55157, 60963, 78381, 165471, 182889, 235143, 386099, 496413, 548667, 1158297, 1489239, 1646001, 3474891, 4467717, 10424673, 31274019]

約数ペア:

[(1, 31274019), (3, 10424673), (7, 4467717), (9, 3474891), (19, 1646001), (21, 1489239), (27, 1158297), (57, 548667), (63, 496413), (81, 386099), (133, 235143), (171, 182889), (189, 165471), (399, 78381), (513, 60963), (567, 55157), (1197, 26127), (1539, 20321), (2903, 10773), (3591, 8709)]