27670251

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{9907}}^1$

素因数の和:9943

約数の個数: 24

約数和(自身を含む): 45180480

約数和(自身を除く): 17510229

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2793, 9907, 29721, 69349, 188233, 208047, 485443, 564699, 1317631, 1456329, 3952893, 9223417, 27670251]

約数ペア:

[(1, 27670251), (3, 9223417), (7, 3952893), (19, 1456329), (21, 1317631), (49, 564699), (57, 485443), (133, 208047), (147, 188233), (399, 69349), (931, 29721), (2793, 9907)]