151872721

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{877}}^1$

素因数の和:1081

約数の個数: 32

約数和(自身を含む): 205325568

約数和(自身を除く): 53452847

約数列:

[1, 7, 11, 13, 77, 91, 143, 173, 877, 1001, 1211, 1903, 2249, 6139, 9647, 11401, 13321, 15743, 24739, 67529, 79807, 125411, 151721, 173173, 877877, 1062047, 1668931, 1972373, 11682517, 13806611, 21696103, 151872721]

約数ペア:

[(1, 151872721), (7, 21696103), (11, 13806611), (13, 11682517), (77, 1972373), (91, 1668931), (143, 1062047), (173, 877877), (877, 173173), (1001, 151721), (1211, 125411), (1903, 79807), (2249, 67529), (6139, 24739), (9647, 15743), (11401, 13321)]