319905369

素因数分解:

$3^5\times 7^2\times {\mathrm{67}}^1\times {\mathrm{401}}^1$

素因数の和:497

約数の個数: 72

約数和(自身を含む): 567167328

約数和(自身を除く): 247261959

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 67, 81, 147, 189, 201, 243, 401, 441, 469, 567, 603, 1203, 1323, 1407, 1701, 1809, 2807, 3283, 3609, 3969, 4221, 5427, 8421, 9849, 10827, 11907, 12663, 16281, 19649, 25263, 26867, 29547, 32481, 37989, 58947, 75789, 80601, 88641, 97443, 113967, 176841, 188069, 227367, 241803, 265923, 530523, 564207, 682101, 725409, 797769, 1316483, 1591569, 1692621, 2176227, 3949449, 4774707, 5077863, 6528681, 11848347, 15233589, 35545041, 45700767, 106635123, 319905369]

約数ペア:

[(1, 319905369), (3, 106635123), (7, 45700767), (9, 35545041), (21, 15233589), (27, 11848347), (49, 6528681), (63, 5077863), (67, 4774707), (81, 3949449), (147, 2176227), (189, 1692621), (201, 1591569), (243, 1316483), (401, 797769), (441, 725409), (469, 682101), (567, 564207), (603, 530523), (1203, 265923), (1323, 241803), (1407, 227367), (1701, 188069), (1809, 176841), (2807, 113967), (3283, 97443), (3609, 88641), (3969, 80601), (4221, 75789), (5427, 58947), (8421, 37989), (9849, 32481), (10827, 29547), (11907, 26867), (12663, 25263), (16281, 19649)]