25605027

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{21391}}^1$

素因数の和:21423

約数の個数: 24

約数和(自身を含む): 44495360

約数和(自身を除く): 18890333

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 21391, 64173, 149737, 192519, 406429, 449211, 1219287, 1347633, 2845003, 3657861, 8535009, 25605027]

約数ペア:

[(1, 25605027), (3, 8535009), (7, 3657861), (9, 2845003), (19, 1347633), (21, 1219287), (57, 449211), (63, 406429), (133, 192519), (171, 149737), (399, 64173), (1197, 21391)]