12921837243

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{263}}^1\times {\mathrm{6481}}^1$

素因数の和:6792

約数の個数: 48

約数和(自身を含む): 20863535616

約数和(自身を除く): 7941698373

約数列:

[1, 3, 7, 19, 21, 57, 133, 263, 361, 399, 789, 1083, 1841, 2527, 4997, 5523, 6481, 7581, 14991, 19443, 34979, 45367, 94943, 104937, 123139, 136101, 284829, 369417, 664601, 861973, 1704503, 1993803, 2339641, 2585919, 5113509, 7018923, 11931521, 16377487, 32385557, 35794563, 49132461, 97156671, 226698899, 615325583, 680096697, 1845976749, 4307279081, 12921837243]

約数ペア:

[(1, 12921837243), (3, 4307279081), (7, 1845976749), (19, 680096697), (21, 615325583), (57, 226698899), (133, 97156671), (263, 49132461), (361, 35794563), (399, 32385557), (789, 16377487), (1083, 11931521), (1841, 7018923), (2527, 5113509), (4997, 2585919), (5523, 2339641), (6481, 1993803), (7581, 1704503), (14991, 861973), (19443, 664601), (34979, 369417), (45367, 284829), (94943, 136101), (104937, 123139)]