9538905

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{643}}^1$

素因数の和:717

約数の個数: 32

約数和(自身を含む): 16321536

約数和(自身を除く): 6782631

約数列:

[1, 3, 5, 15, 23, 43, 69, 115, 129, 215, 345, 643, 645, 989, 1929, 2967, 3215, 4945, 9645, 14789, 14835, 27649, 44367, 73945, 82947, 138245, 221835, 414735, 635927, 1907781, 3179635, 9538905]

約数ペア:

[(1, 9538905), (3, 3179635), (5, 1907781), (15, 635927), (23, 414735), (43, 221835), (69, 138245), (115, 82947), (129, 73945), (215, 44367), (345, 27649), (643, 14835), (645, 14789), (989, 9645), (1929, 4945), (2967, 3215)]