2013995919

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{20731}}^1$

素因数の和:20847

約数の個数: 32

約数和(自身を含む): 3009291264

約数和(自身を除く): 995295345

約数列:

[1, 3, 13, 39, 47, 53, 141, 159, 611, 689, 1833, 2067, 2491, 7473, 20731, 32383, 62193, 97149, 269503, 808509, 974357, 1098743, 2923071, 3296229, 12666641, 14283659, 37999923, 42850977, 51640921, 154922763, 671331973, 2013995919]

約数ペア:

[(1, 2013995919), (3, 671331973), (13, 154922763), (39, 51640921), (47, 42850977), (53, 37999923), (141, 14283659), (159, 12666641), (611, 3296229), (689, 2923071), (1833, 1098743), (2067, 974357), (2491, 808509), (7473, 269503), (20731, 97149), (32383, 62193)]