207865539

素因数分解:

$3^2\times 7^1\times {\mathrm{1471}}^1\times {\mathrm{2243}}^1$

素因数の和:3727

約数の個数: 24

約数和(自身を含む): 343529472

約数和(自身を除く): 135663933

約数列:

[1, 3, 7, 9, 21, 63, 1471, 2243, 4413, 6729, 10297, 13239, 15701, 20187, 30891, 47103, 92673, 141309, 3299453, 9898359, 23096171, 29695077, 69288513, 207865539]

約数ペア:

[(1, 207865539), (3, 69288513), (7, 29695077), (9, 23096171), (21, 9898359), (63, 3299453), (1471, 141309), (2243, 92673), (4413, 47103), (6729, 30891), (10297, 20187), (13239, 15701)]