31388763

素因数分解:

$3^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{3187}}^1$

素因数の和:3271

約数の個数: 24

約数和(自身を含む): 49426752

約数和(自身を除く): 18037989

約数列:

[1, 3, 7, 21, 49, 67, 147, 201, 469, 1407, 3187, 3283, 9561, 9849, 22309, 66927, 156163, 213529, 468489, 640587, 1494703, 4484109, 10462921, 31388763]

約数ペア:

[(1, 31388763), (3, 10462921), (7, 4484109), (21, 1494703), (49, 640587), (67, 468489), (147, 213529), (201, 156163), (469, 66927), (1407, 22309), (3187, 9849), (3283, 9561)]