17888920371

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{2129}}^1\times {\mathrm{3253}}^1$

素因数の和:5436

約数の個数: 48

約数和(自身を含む): 30274695360

約数和(自身を除く): 12385774989

約数列:

[1, 3, 7, 9, 21, 41, 63, 123, 287, 369, 861, 2129, 2583, 3253, 6387, 9759, 14903, 19161, 22771, 29277, 44709, 68313, 87289, 133373, 134127, 204939, 261867, 400119, 611023, 785601, 933611, 1200357, 1833069, 2800833, 5499207, 6925637, 8402499, 20776911, 48479459, 62330733, 145438377, 283951117, 436315131, 851853351, 1987657819, 2555560053, 5962973457, 17888920371]

約数ペア:

[(1, 17888920371), (3, 5962973457), (7, 2555560053), (9, 1987657819), (21, 851853351), (41, 436315131), (63, 283951117), (123, 145438377), (287, 62330733), (369, 48479459), (861, 20776911), (2129, 8402499), (2583, 6925637), (3253, 5499207), (6387, 2800833), (9759, 1833069), (14903, 1200357), (19161, 933611), (22771, 785601), (29277, 611023), (44709, 400119), (68313, 261867), (87289, 204939), (133373, 134127)]