1657827

素因数分解:

$3^4\times {\mathrm{97}}^1\times {\mathrm{211}}^1$

素因数の和:320

約数の個数: 20

約数和(自身を含む): 2513896

約数和(自身を除く): 856069

約数列:

[1, 3, 9, 27, 81, 97, 211, 291, 633, 873, 1899, 2619, 5697, 7857, 17091, 20467, 61401, 184203, 552609, 1657827]

約数ペア:

[(1, 1657827), (3, 552609), (9, 184203), (27, 61401), (81, 20467), (97, 17091), (211, 7857), (291, 5697), (633, 2619), (873, 1899)]