139235439

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{2311}}^1$

素因数の和:2491

約数の個数: 32

約数和(自身を含む): 224911360

約数和(自身を除く): 85675921

約数列:

[1, 3, 7, 19, 21, 57, 133, 151, 399, 453, 1057, 2311, 2869, 3171, 6933, 8607, 16177, 20083, 43909, 48531, 60249, 131727, 307363, 348961, 922089, 1046883, 2442727, 6630259, 7328181, 19890777, 46411813, 139235439]

約数ペア:

[(1, 139235439), (3, 46411813), (7, 19890777), (19, 7328181), (21, 6630259), (57, 2442727), (133, 1046883), (151, 922089), (399, 348961), (453, 307363), (1057, 131727), (2311, 60249), (2869, 48531), (3171, 43909), (6933, 20083), (8607, 16177)]