16993353

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{71}}^1$

素因数の和:142

約数の個数: 48

約数和(自身を含む): 27651456

約数和(自身を除く): 10658103

約数列:

[1, 3, 13, 17, 19, 39, 51, 57, 71, 213, 221, 247, 323, 361, 663, 741, 923, 969, 1083, 1207, 1349, 2769, 3621, 4047, 4199, 4693, 6137, 12597, 14079, 15691, 17537, 18411, 22933, 25631, 47073, 52611, 68799, 76893, 79781, 239343, 298129, 333203, 435727, 894387, 999609, 1307181, 5664451, 16993353]

約数ペア:

[(1, 16993353), (3, 5664451), (13, 1307181), (17, 999609), (19, 894387), (39, 435727), (51, 333203), (57, 298129), (71, 239343), (213, 79781), (221, 76893), (247, 68799), (323, 52611), (361, 47073), (663, 25631), (741, 22933), (923, 18411), (969, 17537), (1083, 15691), (1207, 14079), (1349, 12597), (2769, 6137), (3621, 4693), (4047, 4199)]