83278881

素因数分解:

$3^3\times 7^2\times {\mathrm{19}}^1\times {\mathrm{3313}}^1$

素因数の和:3355

約数の個数: 48

約数和(自身を含む): 151118400

約数和(自身を除く): 67839519

約数列:

[1, 3, 7, 9, 19, 21, 27, 49, 57, 63, 133, 147, 171, 189, 399, 441, 513, 931, 1197, 1323, 2793, 3313, 3591, 8379, 9939, 23191, 25137, 29817, 62947, 69573, 89451, 162337, 188841, 208719, 440629, 487011, 566523, 626157, 1321887, 1461033, 1699569, 3084403, 3965661, 4383099, 9253209, 11896983, 27759627, 83278881]

約数ペア:

[(1, 83278881), (3, 27759627), (7, 11896983), (9, 9253209), (19, 4383099), (21, 3965661), (27, 3084403), (49, 1699569), (57, 1461033), (63, 1321887), (133, 626157), (147, 566523), (171, 487011), (189, 440629), (399, 208719), (441, 188841), (513, 162337), (931, 89451), (1197, 69573), (1323, 62947), (2793, 29817), (3313, 25137), (3591, 23191), (8379, 9939)]