1970217

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{1697}}^1$

素因数の和:1749

約数の個数: 16

約数和(自身を含む): 2988480

約数和(自身を除く): 1018263

約数列:

[1, 3, 9, 27, 43, 129, 387, 1161, 1697, 5091, 15273, 45819, 72971, 218913, 656739, 1970217]

約数ペア:

[(1, 1970217), (3, 656739), (9, 218913), (27, 72971), (43, 45819), (129, 15273), (387, 5091), (1161, 1697)]