25258107

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{509}}^1$

素因数の和:675

約数の個数: 32

約数和(自身を含む): 41126400

約数和(自身を除く): 15868293

約数列:

[1, 3, 7, 17, 21, 51, 119, 139, 357, 417, 509, 973, 1527, 2363, 2919, 3563, 7089, 8653, 10689, 16541, 25959, 49623, 60571, 70751, 181713, 212253, 495257, 1202767, 1485771, 3608301, 8419369, 25258107]

約数ペア:

[(1, 25258107), (3, 8419369), (7, 3608301), (17, 1485771), (21, 1202767), (51, 495257), (119, 212253), (139, 181713), (357, 70751), (417, 60571), (509, 49623), (973, 25959), (1527, 16541), (2363, 10689), (2919, 8653), (3563, 7089)]