263245437

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{5639}}^1$

素因数の和:5687

約数の個数: 64

約数和(自身を含む): 505344000

約数和(自身を除く): 242098563

約数列:

[1, 3, 7, 9, 13, 19, 21, 27, 39, 57, 63, 91, 117, 133, 171, 189, 247, 273, 351, 399, 513, 741, 819, 1197, 1729, 2223, 2457, 3591, 5187, 5639, 6669, 15561, 16917, 39473, 46683, 50751, 73307, 107141, 118419, 152253, 219921, 321423, 355257, 513149, 659763, 749987, 964269, 1065771, 1392833, 1539447, 1979289, 2249961, 2892807, 4178499, 4618341, 6749883, 9749831, 12535497, 13855023, 20249649, 29249493, 37606491, 87748479, 263245437]

約数ペア:

[(1, 263245437), (3, 87748479), (7, 37606491), (9, 29249493), (13, 20249649), (19, 13855023), (21, 12535497), (27, 9749831), (39, 6749883), (57, 4618341), (63, 4178499), (91, 2892807), (117, 2249961), (133, 1979289), (171, 1539447), (189, 1392833), (247, 1065771), (273, 964269), (351, 749987), (399, 659763), (513, 513149), (741, 355257), (819, 321423), (1197, 219921), (1729, 152253), (2223, 118419), (2457, 107141), (3591, 73307), (5187, 50751), (5639, 46683), (6669, 39473), (15561, 16917)]