1389191295

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{25819}}^1$

素因数の和:26055

約数の個数: 32

約数和(自身を含む): 2364698880

約数和(自身を除く): 975507585

約数列:

[1, 3, 5, 15, 17, 51, 85, 211, 255, 633, 1055, 3165, 3587, 10761, 17935, 25819, 53805, 77457, 129095, 387285, 438923, 1316769, 2194615, 5447809, 6583845, 16343427, 27239045, 81717135, 92612753, 277838259, 463063765, 1389191295]

約数ペア:

[(1, 1389191295), (3, 463063765), (5, 277838259), (15, 92612753), (17, 81717135), (51, 27239045), (85, 16343427), (211, 6583845), (255, 5447809), (633, 2194615), (1055, 1316769), (3165, 438923), (3587, 387285), (10761, 129095), (17935, 77457), (25819, 53805)]