18247293

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{151}}^1\times {\mathrm{463}}^1$

素因数の和:649

約数の個数: 24

約数和(自身を含む): 27505920

約数和(自身を除く): 9258627

約数列:

[1, 3, 9, 29, 87, 151, 261, 453, 463, 1359, 1389, 4167, 4379, 13137, 13427, 39411, 40281, 69913, 120843, 209739, 629217, 2027477, 6082431, 18247293]

約数ペア:

[(1, 18247293), (3, 6082431), (9, 2027477), (29, 629217), (87, 209739), (151, 120843), (261, 69913), (453, 40281), (463, 39411), (1359, 13427), (1389, 13137), (4167, 4379)]