25646691

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{167}}^1$

素因数の和:351

約数の個数: 32

約数和(自身を含む): 40255488

約数和(自身を除く): 14608797

約数列:

[1, 3, 7, 21, 71, 103, 167, 213, 309, 497, 501, 721, 1169, 1491, 2163, 3507, 7313, 11857, 17201, 21939, 35571, 51191, 51603, 82999, 120407, 153573, 248997, 361221, 1221271, 3663813, 8548897, 25646691]

約数ペア:

[(1, 25646691), (3, 8548897), (7, 3663813), (21, 1221271), (71, 361221), (103, 248997), (167, 153573), (213, 120407), (309, 82999), (497, 51603), (501, 51191), (721, 35571), (1169, 21939), (1491, 17201), (2163, 11857), (3507, 7313)]