1991232358539

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{1217}}^1\times {\mathrm{2311}}^1\times {\mathrm{12421}}^1$

素因数の和:15971

約数の個数: 32

約数和(自身を含む): 2798444060160

約数和(自身を除く): 807211701621

約数列:

[1, 3, 19, 57, 1217, 2311, 3651, 6933, 12421, 23123, 37263, 43909, 69369, 131727, 235999, 707997, 2812487, 8437461, 15116357, 28704931, 45349071, 53437253, 86114793, 160311759, 287210783, 545393689, 861632349, 1636181067, 34933901027, 104801703081, 663744119513, 1991232358539]

約数ペア:

[(1, 1991232358539), (3, 663744119513), (19, 104801703081), (57, 34933901027), (1217, 1636181067), (2311, 861632349), (3651, 545393689), (6933, 287210783), (12421, 160311759), (23123, 86114793), (37263, 53437253), (43909, 45349071), (69369, 28704931), (131727, 15116357), (235999, 8437461), (707997, 2812487)]