1989968409

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{83}}^1\times {\mathrm{1433}}^1$

素因数の和:1559

約数の個数: 72

約数和(自身を含む): 3438777888

約数和(自身を除く): 1448809479

約数列:

[1, 3, 9, 11, 13, 33, 39, 83, 99, 117, 143, 169, 249, 429, 507, 747, 913, 1079, 1287, 1433, 1521, 1859, 2739, 3237, 4299, 5577, 8217, 9711, 11869, 12897, 14027, 15763, 16731, 18629, 35607, 42081, 47289, 55887, 106821, 118939, 126243, 141867, 154297, 167661, 204919, 242177, 356817, 462891, 614757, 726531, 1070451, 1308329, 1388673, 1546207, 1844271, 2179593, 2663947, 3924987, 4638621, 7991841, 11774961, 13915863, 17008277, 20100691, 23975523, 51024831, 60302073, 153074493, 180906219, 221107601, 663322803, 1989968409]

約数ペア:

[(1, 1989968409), (3, 663322803), (9, 221107601), (11, 180906219), (13, 153074493), (33, 60302073), (39, 51024831), (83, 23975523), (99, 20100691), (117, 17008277), (143, 13915863), (169, 11774961), (249, 7991841), (429, 4638621), (507, 3924987), (747, 2663947), (913, 2179593), (1079, 1844271), (1287, 1546207), (1433, 1388673), (1521, 1308329), (1859, 1070451), (2739, 726531), (3237, 614757), (4299, 462891), (5577, 356817), (8217, 242177), (9711, 204919), (11869, 167661), (12897, 154297), (14027, 141867), (15763, 126243), (16731, 118939), (18629, 106821), (35607, 55887), (42081, 47289)]