260090253

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{2971}}^1$

素因数の和:3185

約数の個数: 24

約数和(自身を含む): 383887296

約数和(自身を除く): 123797043

約数列:

[1, 3, 9, 71, 137, 213, 411, 639, 1233, 2971, 8913, 9727, 26739, 29181, 87543, 210941, 407027, 632823, 1221081, 1898469, 3663243, 28898917, 86696751, 260090253]

約数ペア:

[(1, 260090253), (3, 86696751), (9, 28898917), (71, 3663243), (137, 1898469), (213, 1221081), (411, 632823), (639, 407027), (1233, 210941), (2971, 87543), (8913, 29181), (9727, 26739)]