209180049

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{157}}^1\times {\mathrm{269}}^1$

素因数の和:569

約数の個数: 32

約数和(自身を含む): 305786880

約数和(自身を除く): 96606831

約数列:

[1, 3, 13, 39, 127, 157, 269, 381, 471, 807, 1651, 2041, 3497, 4953, 6123, 10491, 19939, 34163, 42233, 59817, 102489, 126699, 259207, 444119, 549029, 777621, 1332357, 1647087, 5363591, 16090773, 69726683, 209180049]

約数ペア:

[(1, 209180049), (3, 69726683), (13, 16090773), (39, 5363591), (127, 1647087), (157, 1332357), (269, 777621), (381, 549029), (471, 444119), (807, 259207), (1651, 126699), (2041, 102489), (3497, 59817), (4953, 42233), (6123, 34163), (10491, 19939)]