252156981

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1\times {\mathrm{431}}^1$

素因数の和:657

約数の個数: 32

約数和(自身を含む): 359976960

約数和(自身を除く): 107819979

約数列:

[1, 3, 23, 61, 69, 139, 183, 417, 431, 1293, 1403, 3197, 4209, 8479, 9591, 9913, 25437, 26291, 29739, 59909, 78873, 179727, 195017, 585051, 604693, 1377907, 1814079, 3654449, 4133721, 10963347, 84052327, 252156981]

約数ペア:

[(1, 252156981), (3, 84052327), (23, 10963347), (61, 4133721), (69, 3654449), (139, 1814079), (183, 1377907), (417, 604693), (431, 585051), (1293, 195017), (1403, 179727), (3197, 78873), (4209, 59909), (8479, 29739), (9591, 26291), (9913, 25437)]