38688939

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{223}}^1\times {\mathrm{521}}^1$

素因数の和:787

約数の個数: 24

約数和(自身を含む): 57762432

約数和(自身を除く): 19073493

約数列:

[1, 3, 9, 37, 111, 223, 333, 521, 669, 1563, 2007, 4689, 8251, 19277, 24753, 57831, 74259, 116183, 173493, 348549, 1045647, 4298771, 12896313, 38688939]

約数ペア:

[(1, 38688939), (3, 12896313), (9, 4298771), (37, 1045647), (111, 348549), (223, 173493), (333, 116183), (521, 74259), (669, 57831), (1563, 24753), (2007, 19277), (4689, 8251)]