31718043

素因数分解:

$3^2\times 7^2\times {\mathrm{71}}^1\times {\mathrm{1013}}^1$

素因数の和:1104

約数の個数: 36

約数和(自身を含む): 54098928

約数和(自身を除く): 22380885

約数列:

[1, 3, 7, 9, 21, 49, 63, 71, 147, 213, 441, 497, 639, 1013, 1491, 3039, 3479, 4473, 7091, 9117, 10437, 21273, 31311, 49637, 63819, 71923, 148911, 215769, 446733, 503461, 647307, 1510383, 3524227, 4531149, 10572681, 31718043]

約数ペア:

[(1, 31718043), (3, 10572681), (7, 4531149), (9, 3524227), (21, 1510383), (49, 647307), (63, 503461), (71, 446733), (147, 215769), (213, 148911), (441, 71923), (497, 63819), (639, 49637), (1013, 31311), (1491, 21273), (3039, 10437), (3479, 9117), (4473, 7091)]