81267678

素因数分解:

$2^1\times 3^3\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1129}}^1$

素因数の和:1214

約数の個数: 64

約数和(自身を含む): 190924800

約数和(自身を除く): 109657122

約数列:

[1, 2, 3, 6, 9, 18, 27, 31, 43, 54, 62, 86, 93, 129, 186, 258, 279, 387, 558, 774, 837, 1129, 1161, 1333, 1674, 2258, 2322, 2666, 3387, 3999, 6774, 7998, 10161, 11997, 20322, 23994, 30483, 34999, 35991, 48547, 60966, 69998, 71982, 97094, 104997, 145641, 209994, 291282, 314991, 436923, 629982, 873846, 944973, 1310769, 1504957, 1889946, 2621538, 3009914, 4514871, 9029742, 13544613, 27089226, 40633839, 81267678]

約数ペア:

[(1, 81267678), (2, 40633839), (3, 27089226), (6, 13544613), (9, 9029742), (18, 4514871), (27, 3009914), (31, 2621538), (43, 1889946), (54, 1504957), (62, 1310769), (86, 944973), (93, 873846), (129, 629982), (186, 436923), (258, 314991), (279, 291282), (387, 209994), (558, 145641), (774, 104997), (837, 97094), (1129, 71982), (1161, 69998), (1333, 60966), (1674, 48547), (2258, 35991), (2322, 34999), (2666, 30483), (3387, 23994), (3999, 20322), (6774, 11997), (7998, 10161)]