420373863

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{513277}}^1$

素因数の和:513303

約数の個数: 24

約数和(自身を含む): 747332768

約数和(自身を除く): 326958905

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 513277, 1539831, 3592939, 4619493, 6672601, 10778817, 20017803, 32336451, 46708207, 60053409, 140124621, 420373863]

約数ペア:

[(1, 420373863), (3, 140124621), (7, 60053409), (9, 46708207), (13, 32336451), (21, 20017803), (39, 10778817), (63, 6672601), (91, 4619493), (117, 3592939), (273, 1539831), (819, 513277)]