31643157

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3739}}^1$

素因数の和:3793

約数の個数: 32

約数和(自身を含む): 53616640

約数和(自身を除く): 21973483

約数列:

[1, 3, 7, 13, 21, 31, 39, 91, 93, 217, 273, 403, 651, 1209, 2821, 3739, 8463, 11217, 26173, 48607, 78519, 115909, 145821, 340249, 347727, 811363, 1020747, 1506817, 2434089, 4520451, 10547719, 31643157]

約数ペア:

[(1, 31643157), (3, 10547719), (7, 4520451), (13, 2434089), (21, 1506817), (31, 1020747), (39, 811363), (91, 347727), (93, 340249), (217, 145821), (273, 115909), (403, 78519), (651, 48607), (1209, 26173), (2821, 11217), (3739, 8463)]