51132921

素因数分解:

$3^1\times 7^2\times {\mathrm{137}}^1\times {\mathrm{2539}}^1$

素因数の和:2693

約数の個数: 24

約数和(自身を含む): 79918560

約数和(自身を除く): 28785639

約数列:

[1, 3, 7, 21, 49, 137, 147, 411, 959, 2539, 2877, 6713, 7617, 17773, 20139, 53319, 124411, 347843, 373233, 1043529, 2434901, 7304703, 17044307, 51132921]

約数ペア:

[(1, 51132921), (3, 17044307), (7, 7304703), (21, 2434901), (49, 1043529), (137, 373233), (147, 347843), (411, 124411), (959, 53319), (2539, 20139), (2877, 17773), (6713, 7617)]