238480977

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{307}}^1\times {\mathrm{521}}^1$

素因数の和:909

約数の個数: 32

約数和(自身を含む): 370427904

約数和(自身を除く): 131946927

約数列:

[1, 3, 7, 21, 71, 213, 307, 497, 521, 921, 1491, 1563, 2149, 3647, 6447, 10941, 21797, 36991, 65391, 110973, 152579, 159947, 258937, 457737, 479841, 776811, 1119629, 3358887, 11356237, 34068711, 79493659, 238480977]

約数ペア:

[(1, 238480977), (3, 79493659), (7, 34068711), (21, 11356237), (71, 3358887), (213, 1119629), (307, 776811), (497, 479841), (521, 457737), (921, 258937), (1491, 159947), (1563, 152579), (2149, 110973), (3647, 65391), (6447, 36991), (10941, 21797)]