149780309

素因数分解:

$7^2\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{1061}}^1$

素因数の和:1185

約数の個数: 24

約数和(自身を含む): 181117728

約数和(自身を除く): 31337419

約数列:

[1, 7, 43, 49, 67, 301, 469, 1061, 2107, 2881, 3283, 7427, 20167, 45623, 51989, 71087, 141169, 319361, 497609, 2235527, 3056741, 3483263, 21397187, 149780309]

約数ペア:

[(1, 149780309), (7, 21397187), (43, 3483263), (49, 3056741), (67, 2235527), (301, 497609), (469, 319361), (1061, 141169), (2107, 71087), (2881, 51989), (3283, 45623), (7427, 20167)]