13708975

素因数分解:

$5^2\times 7^2\times {\mathrm{19}}^2\times {\mathrm{31}}^1$

素因数の和:93

約数の個数: 54

約数和(自身を含む): 21543264

約数和(自身を除く): 7834289

約数列:

[1, 5, 7, 19, 25, 31, 35, 49, 95, 133, 155, 175, 217, 245, 361, 475, 589, 665, 775, 931, 1085, 1225, 1519, 1805, 2527, 2945, 3325, 4123, 4655, 5425, 7595, 9025, 11191, 12635, 14725, 17689, 20615, 23275, 28861, 37975, 55955, 63175, 78337, 88445, 103075, 144305, 279775, 391685, 442225, 548359, 721525, 1958425, 2741795, 13708975]

約数ペア:

[(1, 13708975), (5, 2741795), (7, 1958425), (19, 721525), (25, 548359), (31, 442225), (35, 391685), (49, 279775), (95, 144305), (133, 103075), (155, 88445), (175, 78337), (217, 63175), (245, 55955), (361, 37975), (475, 28861), (589, 23275), (665, 20615), (775, 17689), (931, 14725), (1085, 12635), (1225, 11191), (1519, 9025), (1805, 7595), (2527, 5425), (2945, 4655), (3325, 4123)]