81127242

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{59}}^1\times {\mathrm{1559}}^1$

素因数の和:1640

約数の個数: 72

約数和(自身を含む): 208072800

約数和(自身を除く): 126945558

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 59, 63, 98, 118, 126, 147, 177, 294, 354, 413, 441, 531, 826, 882, 1062, 1239, 1559, 2478, 2891, 3118, 3717, 4677, 5782, 7434, 8673, 9354, 10913, 14031, 17346, 21826, 26019, 28062, 32739, 52038, 65478, 76391, 91981, 98217, 152782, 183962, 196434, 229173, 275943, 458346, 551886, 643867, 687519, 827829, 1287734, 1375038, 1655658, 1931601, 3863202, 4507069, 5794803, 9014138, 11589606, 13521207, 27042414, 40563621, 81127242]

約数ペア:

[(1, 81127242), (2, 40563621), (3, 27042414), (6, 13521207), (7, 11589606), (9, 9014138), (14, 5794803), (18, 4507069), (21, 3863202), (42, 1931601), (49, 1655658), (59, 1375038), (63, 1287734), (98, 827829), (118, 687519), (126, 643867), (147, 551886), (177, 458346), (294, 275943), (354, 229173), (413, 196434), (441, 183962), (531, 152782), (826, 98217), (882, 91981), (1062, 76391), (1239, 65478), (1559, 52038), (2478, 32739), (2891, 28062), (3118, 26019), (3717, 21826), (4677, 17346), (5782, 14031), (7434, 10913), (8673, 9354)]