16865331

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{983}}^1$

素因数の和:1055

約数の個数: 32

約数和(自身を含む): 27709440

約数和(自身を除く): 10844109

約数列:

[1, 3, 7, 19, 21, 43, 57, 129, 133, 301, 399, 817, 903, 983, 2451, 2949, 5719, 6881, 17157, 18677, 20643, 42269, 56031, 126807, 130739, 295883, 392217, 803111, 887649, 2409333, 5621777, 16865331]

約数ペア:

[(1, 16865331), (3, 5621777), (7, 2409333), (19, 887649), (21, 803111), (43, 392217), (57, 295883), (129, 130739), (133, 126807), (301, 56031), (399, 42269), (817, 20643), (903, 18677), (983, 17157), (2451, 6881), (2949, 5719)]