389620413

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{67961}}^1$

素因数の和:67994

約数の個数: 36

約数和(自身を含む): 705037788

約数和(自身を除く): 315417375

約数列:

[1, 3, 7, 9, 13, 21, 39, 49, 63, 91, 117, 147, 273, 441, 637, 819, 1911, 5733, 67961, 203883, 475727, 611649, 883493, 1427181, 2650479, 3330089, 4281543, 6184451, 7951437, 9990267, 18553353, 29970801, 43291157, 55660059, 129873471, 389620413]

約数ペア:

[(1, 389620413), (3, 129873471), (7, 55660059), (9, 43291157), (13, 29970801), (21, 18553353), (39, 9990267), (49, 7951437), (63, 6184451), (91, 4281543), (117, 3330089), (147, 2650479), (273, 1427181), (441, 883493), (637, 611649), (819, 475727), (1911, 203883), (5733, 67961)]