30780939

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1\times {\mathrm{167}}^1$

素因数の和:375

約数の個数: 32

約数和(自身を含む): 48254976

約数和(自身を除く): 17474037

約数列:

[1, 3, 7, 21, 67, 131, 167, 201, 393, 469, 501, 917, 1169, 1407, 2751, 3507, 8777, 11189, 21877, 26331, 33567, 61439, 65631, 78323, 153139, 184317, 234969, 459417, 1465759, 4397277, 10260313, 30780939]

約数ペア:

[(1, 30780939), (3, 10260313), (7, 4397277), (21, 1465759), (67, 459417), (131, 234969), (167, 184317), (201, 153139), (393, 78323), (469, 65631), (501, 61439), (917, 33567), (1169, 26331), (1407, 21877), (2751, 11189), (3507, 8777)]