12987447

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{331}}^1$

素因数の和:415

約数の個数: 32

約数和(自身を含む): 20079360

約数和(自身を除く): 7091913

約数列:

[1, 3, 11, 29, 33, 41, 87, 123, 319, 331, 451, 957, 993, 1189, 1353, 3567, 3641, 9599, 10923, 13079, 13571, 28797, 39237, 40713, 105589, 149281, 316767, 393559, 447843, 1180677, 4329149, 12987447]

約数ペア:

[(1, 12987447), (3, 4329149), (11, 1180677), (29, 447843), (33, 393559), (41, 316767), (87, 149281), (123, 105589), (319, 40713), (331, 39237), (451, 28797), (957, 13571), (993, 13079), (1189, 10923), (1353, 9599), (3567, 3641)]