1257579

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{991}}^1$

素因数の和:1047

約数の個数: 16

約数和(自身を含む): 1904640

約数和(自身を除く): 647061

約数列:

[1, 3, 9, 27, 47, 141, 423, 991, 1269, 2973, 8919, 26757, 46577, 139731, 419193, 1257579]

約数ペア:

[(1, 1257579), (3, 419193), (9, 139731), (27, 46577), (47, 26757), (141, 8919), (423, 2973), (991, 1269)]