207718359

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{2903}}^1$

素因数の和:3007

約数の個数: 32

約数和(自身を含む): 311122944

約数和(自身を除く): 103404585

約数列:

[1, 3, 17, 23, 51, 61, 69, 183, 391, 1037, 1173, 1403, 2903, 3111, 4209, 8709, 23851, 49351, 66769, 71553, 148053, 177083, 200307, 531249, 1135073, 3010411, 3405219, 4072909, 9031233, 12218727, 69239453, 207718359]

約数ペア:

[(1, 207718359), (3, 69239453), (17, 12218727), (23, 9031233), (51, 4072909), (61, 3405219), (69, 3010411), (183, 1135073), (391, 531249), (1037, 200307), (1173, 177083), (1403, 148053), (2903, 71553), (3111, 66769), (4209, 49351), (8709, 23851)]