1991569485

素因数分解:

$3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{821}}^1\times {\mathrm{2741}}^1$

素因数の和:3629

約数の個数: 32

約数和(自身を含む): 3245650560

約数和(自身を除く): 1254081075

約数列:

[1, 3, 5, 15, 59, 177, 295, 821, 885, 2463, 2741, 4105, 8223, 12315, 13705, 41115, 48439, 145317, 161719, 242195, 485157, 726585, 808595, 2250361, 2425785, 6751083, 11251805, 33755415, 132771299, 398313897, 663856495, 1991569485]

約数ペア:

[(1, 1991569485), (3, 663856495), (5, 398313897), (15, 132771299), (59, 33755415), (177, 11251805), (295, 6751083), (821, 2425785), (885, 2250361), (2463, 808595), (2741, 726585), (4105, 485157), (8223, 242195), (12315, 161719), (13705, 145317), (41115, 48439)]