142971921

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{8573}}^1$

素因数の和:8705

約数の個数: 24

約数和(自身を含む): 220694760

約数和(自身を除く): 77722839

約数列:

[1, 3, 9, 17, 51, 109, 153, 327, 981, 1853, 5559, 8573, 16677, 25719, 77157, 145741, 437223, 934457, 1311669, 2803371, 8410113, 15885769, 47657307, 142971921]

約数ペア:

[(1, 142971921), (3, 47657307), (9, 15885769), (17, 8410113), (51, 2803371), (109, 1311669), (153, 934457), (327, 437223), (981, 145741), (1853, 77157), (5559, 25719), (8573, 16677)]