1581871239

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{3191}}^1$

素因数の和:3452

約数の個数: 48

約数和(自身を含む): 2602629120

約数和(自身を除く): 1020757881

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 223, 247, 669, 741, 2007, 2223, 2899, 3191, 4237, 8697, 9573, 12711, 26091, 28719, 38133, 41483, 55081, 60629, 124449, 165243, 181887, 373347, 495729, 545661, 711593, 788177, 2134779, 2364531, 6404337, 7093593, 9250709, 13520267, 27752127, 40560801, 83256381, 121682403, 175763471, 527290413, 1581871239]

約数ペア:

[(1, 1581871239), (3, 527290413), (9, 175763471), (13, 121682403), (19, 83256381), (39, 40560801), (57, 27752127), (117, 13520267), (171, 9250709), (223, 7093593), (247, 6404337), (669, 2364531), (741, 2134779), (2007, 788177), (2223, 711593), (2899, 545661), (3191, 495729), (4237, 373347), (8697, 181887), (9573, 165243), (12711, 124449), (26091, 60629), (28719, 55081), (38133, 41483)]