263291223

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{10733}}^1$

素因数の和:10803

約数の個数: 32

約数和(自身を含む): 411155136

約数和(自身を除く): 147863913

約数列:

[1, 3, 13, 17, 37, 39, 51, 111, 221, 481, 629, 663, 1443, 1887, 8177, 10733, 24531, 32199, 139529, 182461, 397121, 418587, 547383, 1191363, 2371993, 5162573, 6751057, 7115979, 15487719, 20253171, 87763741, 263291223]

約数ペア:

[(1, 263291223), (3, 87763741), (13, 20253171), (17, 15487719), (37, 7115979), (39, 6751057), (51, 5162573), (111, 2371993), (221, 1191363), (481, 547383), (629, 418587), (663, 397121), (1443, 182461), (1887, 139529), (8177, 32199), (10733, 24531)]