981567321

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{37483}}^1$

素因数の和:37565

約数の個数: 32

約数和(自身を含む): 1583324160

約数和(自身を除く): 601756839

約数列:

[1, 3, 7, 21, 29, 43, 87, 129, 203, 301, 609, 903, 1247, 3741, 8729, 26187, 37483, 112449, 262381, 787143, 1087007, 1611769, 3261021, 4835307, 7609049, 11282383, 22827147, 33847149, 46741301, 140223903, 327189107, 981567321]

約数ペア:

[(1, 981567321), (3, 327189107), (7, 140223903), (21, 46741301), (29, 33847149), (43, 22827147), (87, 11282383), (129, 7609049), (203, 4835307), (301, 3261021), (609, 1611769), (903, 1087007), (1247, 787143), (3741, 262381), (8729, 112449), (26187, 37483)]