81801213

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{1093}}^1$

素因数の和:1229

約数の個数: 32

約数和(自身を含む): 124978560

約数和(自身を除く): 43177347

約数列:

[1, 3, 13, 19, 39, 57, 101, 247, 303, 741, 1093, 1313, 1919, 3279, 3939, 5757, 14209, 20767, 24947, 42627, 62301, 74841, 110393, 269971, 331179, 809913, 1435109, 2097467, 4305327, 6292401, 27267071, 81801213]

約数ペア:

[(1, 81801213), (3, 27267071), (13, 6292401), (19, 4305327), (39, 2097467), (57, 1435109), (101, 809913), (247, 331179), (303, 269971), (741, 110393), (1093, 74841), (1313, 62301), (1919, 42627), (3279, 24947), (3939, 20767), (5757, 14209)]