39921273

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{20441}}^1$

素因数の和:20485

約数の個数: 24

約数和(自身を含む): 68030976

約数和(自身を除く): 28109703

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 651, 1953, 20441, 61323, 143087, 183969, 429261, 633671, 1287783, 1901013, 4435697, 5703039, 13307091, 39921273]

約数ペア:

[(1, 39921273), (3, 13307091), (7, 5703039), (9, 4435697), (21, 1901013), (31, 1287783), (63, 633671), (93, 429261), (217, 183969), (279, 143087), (651, 61323), (1953, 20441)]