391330290981

素因数分解:

$3^1\times 7^2\times {\mathrm{151}}^1\times {\mathrm{191}}^1\times {\mathrm{241}}^1\times {\mathrm{383}}^1$

素因数の和:983

約数の個数: 96

約数和(自身を含む): 618338451456

約数和(自身を除く): 227008160475

約数列:

[1, 3, 7, 21, 49, 147, 151, 191, 241, 383, 453, 573, 723, 1057, 1149, 1337, 1687, 2681, 3171, 4011, 5061, 7399, 8043, 9359, 11809, 18767, 22197, 28077, 28841, 35427, 36391, 46031, 56301, 57833, 73153, 86523, 92303, 109173, 138093, 173499, 201887, 219459, 254737, 276909, 322217, 404831, 512071, 605661, 646121, 764211, 966651, 1214493, 1413209, 1536213, 1783159, 1938363, 2255519, 2833817, 3584497, 4239627, 4522847, 5349477, 6766557, 6950681, 8501451, 10753491, 11046103, 13568541, 13937753, 17629873, 20852043, 33138309, 41813259, 48654767, 52889619, 77322721, 97564271, 123409111, 145964301, 231968163, 292692813, 340583369, 370227333, 541259047, 682949897, 863863777, 1021750107, 1623777141, 2048849691, 2591591331, 2662110823, 7986332469, 18634775761, 55904327283, 130443430327, 391330290981]

約数ペア:

[(1, 391330290981), (3, 130443430327), (7, 55904327283), (21, 18634775761), (49, 7986332469), (147, 2662110823), (151, 2591591331), (191, 2048849691), (241, 1623777141), (383, 1021750107), (453, 863863777), (573, 682949897), (723, 541259047), (1057, 370227333), (1149, 340583369), (1337, 292692813), (1687, 231968163), (2681, 145964301), (3171, 123409111), (4011, 97564271), (5061, 77322721), (7399, 52889619), (8043, 48654767), (9359, 41813259), (11809, 33138309), (18767, 20852043), (22197, 17629873), (28077, 13937753), (28841, 13568541), (35427, 11046103), (36391, 10753491), (46031, 8501451), (56301, 6950681), (57833, 6766557), (73153, 5349477), (86523, 4522847), (92303, 4239627), (109173, 3584497), (138093, 2833817), (173499, 2255519), (201887, 1938363), (219459, 1783159), (254737, 1536213), (276909, 1413209), (322217, 1214493), (404831, 966651), (512071, 764211), (605661, 646121)]