202400919

素因数分解:

$3^2\times 7^2\times {\mathrm{458959}}^1$

素因数の和:458979

約数の個数: 18

約数和(自身を含む): 340089360

約数和(自身を除く): 137688441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 458959, 1376877, 3212713, 4130631, 9638139, 22488991, 28914417, 67466973, 202400919]

約数ペア:

[(1, 202400919), (3, 67466973), (7, 28914417), (9, 22488991), (21, 9638139), (49, 4130631), (63, 3212713), (147, 1376877), (441, 458959)]