27793521

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{25951}}^1$

素因数の和:25981

約数の個数: 24

約数和(自身を含む): 48582144

約数和(自身を除く): 20788623

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071, 25951, 77853, 181657, 233559, 441167, 544971, 1323501, 1634913, 3088169, 3970503, 9264507, 27793521]

約数ペア:

[(1, 27793521), (3, 9264507), (7, 3970503), (9, 3088169), (17, 1634913), (21, 1323501), (51, 544971), (63, 441167), (119, 233559), (153, 181657), (357, 77853), (1071, 25951)]