25694403

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{907}}^1$

素因数の和:1007

約数の個数: 32

約数和(自身を含む): 41840640

約数和(自身を除く): 16146237

約数列:

[1, 3, 7, 19, 21, 57, 71, 133, 213, 399, 497, 907, 1349, 1491, 2721, 4047, 6349, 9443, 17233, 19047, 28329, 51699, 64397, 120631, 193191, 361893, 450779, 1223543, 1352337, 3670629, 8564801, 25694403]

約数ペア:

[(1, 25694403), (3, 8564801), (7, 3670629), (19, 1352337), (21, 1223543), (57, 450779), (71, 361893), (133, 193191), (213, 120631), (399, 64397), (497, 51699), (907, 28329), (1349, 19047), (1491, 17233), (2721, 9443), (4047, 6349)]