128499609

素因数分解:

$3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{701}}^1$

素因数の和:790

約数の個数: 48

約数和(自身を含む): 211273920

約数和(自身を除く): 82774311

約数列:

[1, 3, 7, 21, 29, 43, 49, 87, 129, 147, 203, 301, 609, 701, 903, 1247, 1421, 2103, 2107, 3741, 4263, 4907, 6321, 8729, 14721, 20329, 26187, 30143, 34349, 60987, 61103, 90429, 103047, 142303, 183309, 211001, 426909, 633003, 874147, 996121, 1477007, 2622441, 2988363, 4431021, 6119029, 18357087, 42833203, 128499609]

約数ペア:

[(1, 128499609), (3, 42833203), (7, 18357087), (21, 6119029), (29, 4431021), (43, 2988363), (49, 2622441), (87, 1477007), (129, 996121), (147, 874147), (203, 633003), (301, 426909), (609, 211001), (701, 183309), (903, 142303), (1247, 103047), (1421, 90429), (2103, 61103), (2107, 60987), (3741, 34349), (4263, 30143), (4907, 26187), (6321, 20329), (8729, 14721)]