248941707

素因数分解:

$3^1\times 7^2\times {\mathrm{953}}^1\times {\mathrm{1777}}^1$

素因数の和:2747

約数の個数: 24

約数和(自身を含む): 386736336

約数和(自身を除く): 137794629

約数列:

[1, 3, 7, 21, 49, 147, 953, 1777, 2859, 5331, 6671, 12439, 20013, 37317, 46697, 87073, 140091, 261219, 1693481, 5080443, 11854367, 35563101, 82980569, 248941707]

約数ペア:

[(1, 248941707), (3, 82980569), (7, 35563101), (21, 11854367), (49, 5080443), (147, 1693481), (953, 261219), (1777, 140091), (2859, 87073), (5331, 46697), (6671, 37317), (12439, 20013)]