1420389

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{1697}}^1$

素因数の和:1737

約数の個数: 16

約数和(自身を含む): 2173440

約数和(自身を除く): 753051

約数列:

[1, 3, 9, 27, 31, 93, 279, 837, 1697, 5091, 15273, 45819, 52607, 157821, 473463, 1420389]

約数ペア:

[(1, 1420389), (3, 473463), (9, 157821), (27, 52607), (31, 45819), (93, 15273), (279, 5091), (837, 1697)]