1240127721

素因数分解:

$3^2\times 7^2\times {\mathrm{389}}^1\times {\mathrm{7229}}^1$

素因数の和:7638

約数の個数: 36

約数和(自身を含む): 2089397700

約数和(自身を除く): 849269979

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 389, 441, 1167, 2723, 3501, 7229, 8169, 19061, 21687, 24507, 50603, 57183, 65061, 151809, 171549, 354221, 455427, 1062663, 2812081, 3187989, 8436243, 19684567, 25308729, 59053701, 137791969, 177161103, 413375907, 1240127721]

約数ペア:

[(1, 1240127721), (3, 413375907), (7, 177161103), (9, 137791969), (21, 59053701), (49, 25308729), (63, 19684567), (147, 8436243), (389, 3187989), (441, 2812081), (1167, 1062663), (2723, 455427), (3501, 354221), (7229, 171549), (8169, 151809), (19061, 65061), (21687, 57183), (24507, 50603)]