142745841

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{313}}^1$

素因数の和:475

約数の個数: 64

約数和(自身を含む): 257228800

約数和(自身を除く): 114482959

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 127, 133, 171, 189, 313, 381, 399, 513, 889, 939, 1143, 1197, 2191, 2413, 2667, 2817, 3429, 3591, 5947, 6573, 7239, 8001, 8451, 16891, 17841, 19719, 21717, 24003, 39751, 41629, 50673, 53523, 59157, 65151, 119253, 124887, 152019, 160569, 278257, 357759, 374661, 456057, 755269, 834771, 1073277, 1123983, 2265807, 2504313, 5286883, 6797421, 7512939, 15860649, 20392263, 47581947, 142745841]

約数ペア:

[(1, 142745841), (3, 47581947), (7, 20392263), (9, 15860649), (19, 7512939), (21, 6797421), (27, 5286883), (57, 2504313), (63, 2265807), (127, 1123983), (133, 1073277), (171, 834771), (189, 755269), (313, 456057), (381, 374661), (399, 357759), (513, 278257), (889, 160569), (939, 152019), (1143, 124887), (1197, 119253), (2191, 65151), (2413, 59157), (2667, 53523), (2817, 50673), (3429, 41629), (3591, 39751), (5947, 24003), (6573, 21717), (7239, 19719), (8001, 17841), (8451, 16891)]