7997157

素因数分解:

$3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1$

素因数の和:183

約数の個数: 64

約数和(自身を含む): 15206400

約数和(自身を除く): 7209243

約数列:

[1, 3, 7, 9, 17, 19, 21, 27, 51, 57, 63, 119, 131, 133, 153, 171, 189, 323, 357, 393, 399, 459, 513, 917, 969, 1071, 1179, 1197, 2227, 2261, 2489, 2751, 2907, 3213, 3537, 3591, 6681, 6783, 7467, 8253, 8721, 15589, 17423, 20043, 20349, 22401, 24759, 42313, 46767, 52269, 60129, 61047, 67203, 126939, 140301, 156807, 296191, 380817, 420903, 470421, 888573, 1142451, 2665719, 7997157]

約数ペア:

[(1, 7997157), (3, 2665719), (7, 1142451), (9, 888573), (17, 470421), (19, 420903), (21, 380817), (27, 296191), (51, 156807), (57, 140301), (63, 126939), (119, 67203), (131, 61047), (133, 60129), (153, 52269), (171, 46767), (189, 42313), (323, 24759), (357, 22401), (393, 20349), (399, 20043), (459, 17423), (513, 15589), (917, 8721), (969, 8253), (1071, 7467), (1179, 6783), (1197, 6681), (2227, 3591), (2261, 3537), (2489, 3213), (2751, 2907)]