6691321

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{139}}^1$

素因数の和:205

約数の個数: 24

約数和(自身を含む): 8671040

約数和(自身を除く): 1979719

約数列:

[1, 7, 13, 23, 91, 139, 161, 299, 529, 973, 1807, 2093, 3197, 3703, 6877, 12649, 22379, 41561, 48139, 73531, 290927, 514717, 955903, 6691321]

約数ペア:

[(1, 6691321), (7, 955903), (13, 514717), (23, 290927), (91, 73531), (139, 48139), (161, 41561), (299, 22379), (529, 12649), (973, 6877), (1807, 3703), (2093, 3197)]