1397331

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{1327}}^1$

素因数の和:1352

約数の個数: 20

約数和(自身を含む): 2249632

約数和(自身を除く): 852301

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 1327, 3981, 11943, 17251, 35829, 51753, 107487, 155259, 465777, 1397331]

約数ペア:

[(1, 1397331), (3, 465777), (9, 155259), (13, 107487), (27, 51753), (39, 35829), (81, 17251), (117, 11943), (351, 3981), (1053, 1327)]