17993601

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{971}}^1$

素因数の和:1077

約数の個数: 24

約数和(自身を含む): 27293760

約数和(自身を除く): 9300159

約数列:

[1, 3, 9, 29, 71, 87, 213, 261, 639, 971, 2059, 2913, 6177, 8739, 18531, 28159, 68941, 84477, 206823, 253431, 620469, 1999289, 5997867, 17993601]

約数ペア:

[(1, 17993601), (3, 5997867), (9, 1999289), (29, 620469), (71, 253431), (87, 206823), (213, 84477), (261, 68941), (639, 28159), (971, 18531), (2059, 8739), (2913, 6177)]