259371

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{179}}^1$

素因数の和:215

約数の個数: 24

約数和(自身を含む): 449280

約数和(自身を除く): 189909

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 179, 207, 483, 537, 1253, 1449, 1611, 3759, 4117, 11277, 12351, 28819, 37053, 86457, 259371]

約数ペア:

[(1, 259371), (3, 86457), (7, 37053), (9, 28819), (21, 12351), (23, 11277), (63, 4117), (69, 3759), (161, 1611), (179, 1449), (207, 1253), (483, 537)]