12801411

素因数分解:

$3^2\times 7^1\times {\mathrm{317}}^1\times {\mathrm{641}}^1$

素因数の和:971

約数の個数: 24

約数和(自身を含む): 21232224

約数和(自身を除く): 8430813

約数列:

[1, 3, 7, 9, 21, 63, 317, 641, 951, 1923, 2219, 2853, 4487, 5769, 6657, 13461, 19971, 40383, 203197, 609591, 1422379, 1828773, 4267137, 12801411]

約数ペア:

[(1, 12801411), (3, 4267137), (7, 1828773), (9, 1422379), (21, 609591), (63, 203197), (317, 40383), (641, 19971), (951, 13461), (1923, 6657), (2219, 5769), (2853, 4487)]