77842947

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{285139}}^1$

素因数の和:285162

約数の個数: 16

約数和(自身を含む): 127742720

約数和(自身を除く): 49899773

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 285139, 855417, 1995973, 3706807, 5987919, 11120421, 25947649, 77842947]

約数ペア:

[(1, 77842947), (3, 25947649), (7, 11120421), (13, 5987919), (21, 3706807), (39, 1995973), (91, 855417), (273, 285139)]