140617841

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{487}}^1$

素因数の和:693

約数の個数: 32

約数和(自身を含む): 183644160

約数和(自身を除く): 43026319

約数列:

[1, 7, 13, 19, 91, 133, 167, 247, 487, 1169, 1729, 2171, 3173, 3409, 6331, 9253, 15197, 22211, 41249, 44317, 64771, 81329, 120289, 288743, 569303, 842023, 1057277, 1545251, 7400939, 10816757, 20088263, 140617841]

約数ペア:

[(1, 140617841), (7, 20088263), (13, 10816757), (19, 7400939), (91, 1545251), (133, 1057277), (167, 842023), (247, 569303), (487, 288743), (1169, 120289), (1729, 81329), (2171, 64771), (3173, 44317), (3409, 41249), (6331, 22211), (9253, 15197)]