39042171

素因数分解:

$3^2\times 7^2\times {\mathrm{223}}^1\times {\mathrm{397}}^1$

素因数の和:640

約数の個数: 36

約数和(自身を含む): 66061632

約数和(自身を除く): 27019461

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 223, 397, 441, 669, 1191, 1561, 2007, 2779, 3573, 4683, 8337, 10927, 14049, 19453, 25011, 32781, 58359, 88531, 98343, 175077, 265593, 619717, 796779, 1859151, 4338019, 5577453, 13014057, 39042171]

約数ペア:

[(1, 39042171), (3, 13014057), (7, 5577453), (9, 4338019), (21, 1859151), (49, 796779), (63, 619717), (147, 265593), (223, 175077), (397, 98343), (441, 88531), (669, 58359), (1191, 32781), (1561, 25011), (2007, 19453), (2779, 14049), (3573, 10927), (4683, 8337)]