12261213

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1$

素因数の和:319

約数の個数: 40

約数和(自身を含む): 19979520

約数和(自身を除く): 7718307

約数列:

[1, 3, 9, 19, 27, 31, 57, 81, 93, 171, 257, 279, 513, 589, 771, 837, 1539, 1767, 2313, 2511, 4883, 5301, 6939, 7967, 14649, 15903, 20817, 23901, 43947, 47709, 71703, 131841, 151373, 215109, 395523, 454119, 645327, 1362357, 4087071, 12261213]

約数ペア:

[(1, 12261213), (3, 4087071), (9, 1362357), (19, 645327), (27, 454119), (31, 395523), (57, 215109), (81, 151373), (93, 131841), (171, 71703), (257, 47709), (279, 43947), (513, 23901), (589, 20817), (771, 15903), (837, 14649), (1539, 7967), (1767, 6939), (2313, 5301), (2511, 4883)]