40235517

素因数分解:

$3^2\times 7^2\times {\mathrm{91237}}^1$

素因数の和:91257

約数の個数: 18

約数和(自身を含む): 67607358

約数和(自身を除く): 27371841

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 91237, 273711, 638659, 821133, 1915977, 4470613, 5747931, 13411839, 40235517]

約数ペア:

[(1, 40235517), (3, 13411839), (7, 5747931), (9, 4470613), (21, 1915977), (49, 821133), (63, 638659), (147, 273711), (441, 91237)]