31553217

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{313}}^1\times {\mathrm{487}}^1$

素因数の和:829

約数の個数: 24

約数和(自身を含む): 47808384

約数和(自身を除く): 16255167

約数列:

[1, 3, 9, 23, 69, 207, 313, 487, 939, 1461, 2817, 4383, 7199, 11201, 21597, 33603, 64791, 100809, 152431, 457293, 1371879, 3505913, 10517739, 31553217]

約数ペア:

[(1, 31553217), (3, 10517739), (9, 3505913), (23, 1371879), (69, 457293), (207, 152431), (313, 100809), (487, 64791), (939, 33603), (1461, 21597), (2817, 11201), (4383, 7199)]