490631319

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{1201}}^1\times {\mathrm{2389}}^1$

素因数の和:3615

約数の個数: 24

約数和(自身を含む): 746922800

約数和(自身を除く): 256291481

約数列:

[1, 3, 9, 19, 57, 171, 1201, 2389, 3603, 7167, 10809, 21501, 22819, 45391, 68457, 136173, 205371, 408519, 2869189, 8607567, 25822701, 54514591, 163543773, 490631319]

約数ペア:

[(1, 490631319), (3, 163543773), (9, 54514591), (19, 25822701), (57, 8607567), (171, 2869189), (1201, 408519), (2389, 205371), (3603, 136173), (7167, 68457), (10809, 45391), (21501, 22819)]