207870237

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{211}}^1$

素因数の和:418

約数の個数: 48

約数和(自身を含む): 328603392

約数和(自身を除く): 120733155

約数列:

[1, 3, 9, 17, 47, 51, 137, 141, 153, 211, 411, 423, 633, 799, 1233, 1899, 2329, 2397, 3587, 6439, 6987, 7191, 9917, 10761, 19317, 20961, 28907, 29751, 32283, 57951, 86721, 89253, 109463, 168589, 260163, 328389, 491419, 505767, 985167, 1358629, 1474257, 1517301, 4075887, 4422771, 12227661, 23096693, 69290079, 207870237]

約数ペア:

[(1, 207870237), (3, 69290079), (9, 23096693), (17, 12227661), (47, 4422771), (51, 4075887), (137, 1517301), (141, 1474257), (153, 1358629), (211, 985167), (411, 505767), (423, 491419), (633, 328389), (799, 260163), (1233, 168589), (1899, 109463), (2329, 89253), (2397, 86721), (3587, 57951), (6439, 32283), (6987, 29751), (7191, 28907), (9917, 20961), (10761, 19317)]