127939749

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{7457}}^1$

素因数の和:7529

約数の個数: 32

約数和(自身を含む): 210017280

約数和(自身を除く): 82077531

約数列:

[1, 3, 7, 19, 21, 43, 57, 129, 133, 301, 399, 817, 903, 2451, 5719, 7457, 17157, 22371, 52199, 141683, 156597, 320651, 425049, 961953, 991781, 2244557, 2975343, 6092369, 6733671, 18277107, 42646583, 127939749]

約数ペア:

[(1, 127939749), (3, 42646583), (7, 18277107), (19, 6733671), (21, 6092369), (43, 2975343), (57, 2244557), (129, 991781), (133, 961953), (301, 425049), (399, 320651), (817, 156597), (903, 141683), (2451, 52199), (5719, 22371), (7457, 17157)]