197209725

素因数分解:

$3^1\times 5^2\times {\mathrm{139}}^1\times {\mathrm{18917}}^1$

素因数の和:19069

約数の個数: 24

約数和(自身を含む): 328416480

約数和(自身を除く): 131206755

約数列:

[1, 3, 5, 15, 25, 75, 139, 417, 695, 2085, 3475, 10425, 18917, 56751, 94585, 283755, 472925, 1418775, 2629463, 7888389, 13147315, 39441945, 65736575, 197209725]

約数ペア:

[(1, 197209725), (3, 65736575), (5, 39441945), (15, 13147315), (25, 7888389), (75, 2629463), (139, 1418775), (417, 472925), (695, 283755), (2085, 94585), (3475, 56751), (10425, 18917)]