140037219

素因数分解:

$3^2\times 7^1\times {\mathrm{991}}^1\times {\mathrm{2243}}^1$

素因数の和:3247

約数の個数: 24

約数和(自身を含む): 231508992

約数和(自身を除く): 91471773

約数列:

[1, 3, 7, 9, 21, 63, 991, 2243, 2973, 6729, 6937, 8919, 15701, 20187, 20811, 47103, 62433, 141309, 2222813, 6668439, 15559691, 20005317, 46679073, 140037219]

約数ペア:

[(1, 140037219), (3, 46679073), (7, 20005317), (9, 15559691), (21, 6668439), (63, 2222813), (991, 141309), (2243, 62433), (2973, 47103), (6729, 20811), (6937, 20187), (8919, 15701)]