747981

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{2131}}^1$

素因数の和:2153

約数の個数: 16

約数和(自身を含む): 1193920

約数和(自身を除く): 445939

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 2131, 6393, 19179, 27703, 57537, 83109, 249327, 747981]

約数ペア:

[(1, 747981), (3, 249327), (9, 83109), (13, 57537), (27, 27703), (39, 19179), (117, 6393), (351, 2131)]