13649679

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{521}}^1$

素因数の和:639

約数の個数: 24

約数和(自身を含む): 20520864

約数和(自身を除く): 6871185

約数列:

[1, 3, 9, 41, 71, 123, 213, 369, 521, 639, 1563, 2911, 4689, 8733, 21361, 26199, 36991, 64083, 110973, 192249, 332919, 1516631, 4549893, 13649679]

約数ペア:

[(1, 13649679), (3, 4549893), (9, 1516631), (41, 332919), (71, 192249), (123, 110973), (213, 64083), (369, 36991), (521, 26199), (639, 21361), (1563, 8733), (2911, 4689)]