2091969

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{113}}^1$

素因数の和:158

約数の個数: 36

約数和(自身を含む): 3547908

約数和(自身を除く): 1455939

約数列:

[1, 3, 9, 11, 17, 33, 51, 99, 113, 121, 153, 187, 339, 363, 561, 1017, 1089, 1243, 1683, 1921, 2057, 3729, 5763, 6171, 11187, 13673, 17289, 18513, 21131, 41019, 63393, 123057, 190179, 232441, 697323, 2091969]

約数ペア:

[(1, 2091969), (3, 697323), (9, 232441), (11, 190179), (17, 123057), (33, 63393), (51, 41019), (99, 21131), (113, 18513), (121, 17289), (153, 13673), (187, 11187), (339, 6171), (363, 5763), (561, 3729), (1017, 2057), (1089, 1921), (1243, 1683)]