139271391

素因数分解:

$3^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{27983}}^1$

素因数の和:28075

約数の個数: 24

約数和(自身を含む): 232826880

約数和(自身を除く): 93555489

約数列:

[1, 3, 7, 9, 21, 63, 79, 237, 553, 711, 1659, 4977, 27983, 83949, 195881, 251847, 587643, 1762929, 2210657, 6631971, 15474599, 19895913, 46423797, 139271391]

約数ペア:

[(1, 139271391), (3, 46423797), (7, 19895913), (9, 15474599), (21, 6631971), (63, 2210657), (79, 1762929), (237, 587643), (553, 251847), (711, 195881), (1659, 83949), (4977, 27983)]