291227003

素因数分解:

${\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{257}}^1$

素因数の和:411

約数の個数: 24

約数和(自身を含む): 320058288

約数和(自身を除く): 28831285

約数列:

[1, 19, 43, 73, 257, 361, 817, 1387, 3139, 4883, 11051, 15523, 18761, 26353, 59641, 92777, 209969, 356459, 806723, 1133179, 3989411, 6772721, 15327737, 291227003]

約数ペア:

[(1, 291227003), (19, 15327737), (43, 6772721), (73, 3989411), (257, 1133179), (361, 806723), (817, 356459), (1387, 209969), (3139, 92777), (4883, 59641), (11051, 26353), (15523, 18761)]