16988055

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{797}}^1$

素因数の和:848

約数の個数: 48

約数和(自身を含む): 32749920

約数和(自身を除く): 15761865

約数列:

[1, 3, 5, 7, 15, 21, 29, 35, 49, 87, 105, 145, 147, 203, 245, 435, 609, 735, 797, 1015, 1421, 2391, 3045, 3985, 4263, 5579, 7105, 11955, 16737, 21315, 23113, 27895, 39053, 69339, 83685, 115565, 117159, 161791, 195265, 346695, 485373, 585795, 808955, 1132537, 2426865, 3397611, 5662685, 16988055]

約数ペア:

[(1, 16988055), (3, 5662685), (5, 3397611), (7, 2426865), (15, 1132537), (21, 808955), (29, 585795), (35, 485373), (49, 346695), (87, 195265), (105, 161791), (145, 117159), (147, 115565), (203, 83685), (245, 69339), (435, 39053), (609, 27895), (735, 23113), (797, 21315), (1015, 16737), (1421, 11955), (2391, 7105), (3045, 5579), (3985, 4263)]