81043599

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{42409}}^1$

素因数の和:42439

約数の個数: 24

約数和(自身を含む): 135372720

約数和(自身を除く): 54329121

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 42409, 127227, 296863, 551317, 890589, 1653951, 2078041, 3859219, 6234123, 11577657, 27014533, 81043599]

約数ペア:

[(1, 81043599), (3, 27014533), (7, 11577657), (13, 6234123), (21, 3859219), (39, 2078041), (49, 1653951), (91, 890589), (147, 551317), (273, 296863), (637, 127227), (1911, 42409)]