129281187

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{457}}^1\times {\mathrm{709}}^1$

素因数の和:1195

約数の個数: 32

約数和(自身を含む): 208115200

約数和(自身を除く): 78834013

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 457, 709, 1371, 2127, 3199, 4963, 8683, 9597, 13471, 14889, 26049, 40413, 60781, 94297, 182343, 282891, 324013, 972039, 2268091, 6156247, 6804273, 18468741, 43093729, 129281187]

約数ペア:

[(1, 129281187), (3, 43093729), (7, 18468741), (19, 6804273), (21, 6156247), (57, 2268091), (133, 972039), (399, 324013), (457, 282891), (709, 182343), (1371, 94297), (2127, 60781), (3199, 40413), (4963, 26049), (8683, 14889), (9597, 13471)]