15742181

素因数分解:

$7^2\times {\mathrm{13}}^2\times {\mathrm{1901}}^1$

素因数の和:1941

約数の個数: 18

約数和(自身を含む): 19839762

約数和(自身を除く): 4097581

約数列:

[1, 7, 13, 49, 91, 169, 637, 1183, 1901, 8281, 13307, 24713, 93149, 172991, 321269, 1210937, 2248883, 15742181]

約数ペア:

[(1, 15742181), (7, 2248883), (13, 1210937), (49, 321269), (91, 172991), (169, 93149), (637, 24713), (1183, 13307), (1901, 8281)]