2009779749

素因数分解:

$3^3\times {\mathrm{61}}^1\times {\mathrm{461}}^1\times {\mathrm{2647}}^1$

素因数の和:3178

約数の個数: 32

約数和(自身を含む): 3033972480

約数和(自身を除く): 1024192731

約数列:

[1, 3, 9, 27, 61, 183, 461, 549, 1383, 1647, 2647, 4149, 7941, 12447, 23823, 28121, 71469, 84363, 161467, 253089, 484401, 759267, 1220267, 1453203, 3660801, 4359609, 10982403, 32947209, 74436287, 223308861, 669926583, 2009779749]

約数ペア:

[(1, 2009779749), (3, 669926583), (9, 223308861), (27, 74436287), (61, 32947209), (183, 10982403), (461, 4359609), (549, 3660801), (1383, 1453203), (1647, 1220267), (2647, 759267), (4149, 484401), (7941, 253089), (12447, 161467), (23823, 84363), (28121, 71469)]