221008081

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{4783}}^1$

素因数の和:4861

約数の個数: 24

約数和(自身を含む): 274869504

約数和(自身を除く): 53861423

約数列:

[1, 7, 23, 41, 49, 161, 287, 943, 1127, 2009, 4783, 6601, 33481, 46207, 110009, 196103, 234367, 770063, 1372721, 4510369, 5390441, 9609047, 31572583, 221008081]

約数ペア:

[(1, 221008081), (7, 31572583), (23, 9609047), (41, 5390441), (49, 4510369), (161, 1372721), (287, 770063), (943, 234367), (1127, 196103), (2009, 110009), (4783, 46207), (6601, 33481)]