2015019747

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61729}}^1$

素因数の和:61785

約数の個数: 40

約数和(自身を含む): 3346259840

約数和(自身を除く): 1331240093

約数列:

[1, 3, 9, 13, 27, 31, 39, 81, 93, 117, 279, 351, 403, 837, 1053, 1209, 2511, 3627, 10881, 32643, 61729, 185187, 555561, 802477, 1666683, 1913599, 2407431, 5000049, 5740797, 7222293, 17222391, 21666879, 24876787, 51667173, 65000637, 74630361, 155001519, 223891083, 671673249, 2015019747]

約数ペア:

[(1, 2015019747), (3, 671673249), (9, 223891083), (13, 155001519), (27, 74630361), (31, 65000637), (39, 51667173), (81, 24876787), (93, 21666879), (117, 17222391), (279, 7222293), (351, 5740797), (403, 5000049), (837, 2407431), (1053, 1913599), (1209, 1666683), (2511, 802477), (3627, 555561), (10881, 185187), (32643, 61729)]