16639497

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{13901}}^1$

素因数の和:13933

約数の個数: 24

約数和(自身を含む): 28916160

約数和(自身を除く): 12276663

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 13901, 41703, 97307, 125109, 264119, 291921, 792357, 875763, 1848833, 2377071, 5546499, 16639497]

約数ペア:

[(1, 16639497), (3, 5546499), (7, 2377071), (9, 1848833), (19, 875763), (21, 792357), (57, 291921), (63, 264119), (133, 125109), (171, 97307), (399, 41703), (1197, 13901)]