25109217

素因数分解:

$3^3\times 7^2\times {\mathrm{18979}}^1$

素因数の和:19002

約数の個数: 24

約数和(自身を含む): 43274400

約数和(自身を除く): 18165183

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 18979, 56937, 132853, 170811, 398559, 512433, 929971, 1195677, 2789913, 3587031, 8369739, 25109217]

約数ペア:

[(1, 25109217), (3, 8369739), (7, 3587031), (9, 2789913), (21, 1195677), (27, 929971), (49, 512433), (63, 398559), (147, 170811), (189, 132853), (441, 56937), (1323, 18979)]