31894863

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1$

素因数の和:109

約数の個数: 96

約数和(自身を含む): 61839360

約数和(自身を除く): 29944497

約数列:

[1, 3, 7, 11, 13, 19, 21, 33, 39, 43, 57, 77, 91, 129, 133, 143, 169, 209, 231, 247, 273, 301, 399, 429, 473, 507, 559, 627, 741, 817, 903, 1001, 1183, 1419, 1463, 1677, 1729, 1859, 2451, 2717, 3003, 3211, 3311, 3549, 3913, 4389, 5187, 5577, 5719, 6149, 7267, 8151, 8987, 9633, 9933, 10621, 11739, 13013, 17157, 18447, 19019, 21801, 22477, 26961, 31863, 35321, 39039, 43043, 50869, 57057, 62909, 67431, 74347, 79937, 105963, 116831, 129129, 138073, 152607, 188727, 223041, 239811, 247247, 350493, 414219, 559559, 741741, 817817, 966511, 1518803, 1678677, 2453451, 2899533, 4556409, 10631621, 31894863]

約数ペア:

[(1, 31894863), (3, 10631621), (7, 4556409), (11, 2899533), (13, 2453451), (19, 1678677), (21, 1518803), (33, 966511), (39, 817817), (43, 741741), (57, 559559), (77, 414219), (91, 350493), (129, 247247), (133, 239811), (143, 223041), (169, 188727), (209, 152607), (231, 138073), (247, 129129), (273, 116831), (301, 105963), (399, 79937), (429, 74347), (473, 67431), (507, 62909), (559, 57057), (627, 50869), (741, 43043), (817, 39039), (903, 35321), (1001, 31863), (1183, 26961), (1419, 22477), (1463, 21801), (1677, 19019), (1729, 18447), (1859, 17157), (2451, 13013), (2717, 11739), (3003, 10621), (3211, 9933), (3311, 9633), (3549, 8987), (3913, 8151), (4389, 7267), (5187, 6149), (5577, 5719)]