12478389

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{7717}}^1$

素因数の和:7745

約数の個数: 24

約数和(自身を含む): 21116448

約数和(自身を除く): 8638059

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 231, 539, 1617, 7717, 23151, 54019, 84887, 162057, 254661, 378133, 594209, 1134399, 1782627, 4159463, 12478389]

約数ペア:

[(1, 12478389), (3, 4159463), (7, 1782627), (11, 1134399), (21, 594209), (33, 378133), (49, 254661), (77, 162057), (147, 84887), (231, 54019), (539, 23151), (1617, 7717)]