2011981839

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{409}}^1\times {\mathrm{12329}}^1$

素因数の和:12767

約数の個数: 32

約数和(自身を含む): 3235392000

約数和(自身を除く): 1223410161

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 409, 1227, 2863, 7771, 8589, 12329, 23313, 36987, 54397, 86303, 163191, 234251, 258909, 702753, 1639757, 4919271, 5042561, 15127683, 35297927, 95808659, 105893781, 287425977, 670660613, 2011981839]

約数ペア:

[(1, 2011981839), (3, 670660613), (7, 287425977), (19, 105893781), (21, 95808659), (57, 35297927), (133, 15127683), (399, 5042561), (409, 4919271), (1227, 1639757), (2863, 702753), (7771, 258909), (8589, 234251), (12329, 163191), (23313, 86303), (36987, 54397)]