28571949

素因数分解:

$3^2\times 7^2\times {\mathrm{67}}^1\times {\mathrm{967}}^1$

素因数の和:1054

約数の個数: 36

約数和(自身を含む): 48775584

約数和(自身を除く): 20203635

約数列:

[1, 3, 7, 9, 21, 49, 63, 67, 147, 201, 441, 469, 603, 967, 1407, 2901, 3283, 4221, 6769, 8703, 9849, 20307, 29547, 47383, 60921, 64789, 142149, 194367, 426447, 453523, 583101, 1360569, 3174661, 4081707, 9523983, 28571949]

約数ペア:

[(1, 28571949), (3, 9523983), (7, 4081707), (9, 3174661), (21, 1360569), (49, 583101), (63, 453523), (67, 426447), (147, 194367), (201, 142149), (441, 64789), (469, 60921), (603, 47383), (967, 29547), (1407, 20307), (2901, 9849), (3283, 8703), (4221, 6769)]