16331553

素因数分解:

$3^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{1277}}^1$

素因数の和:1326

約数の個数: 36

約数和(自身を含む): 28409940

約数和(自身を除く): 12078387

約数列:

[1, 3, 7, 9, 21, 29, 49, 63, 87, 147, 203, 261, 441, 609, 1277, 1421, 1827, 3831, 4263, 8939, 11493, 12789, 26817, 37033, 62573, 80451, 111099, 187719, 259231, 333297, 563157, 777693, 1814617, 2333079, 5443851, 16331553]

約数ペア:

[(1, 16331553), (3, 5443851), (7, 2333079), (9, 1814617), (21, 777693), (29, 563157), (49, 333297), (63, 259231), (87, 187719), (147, 111099), (203, 80451), (261, 62573), (441, 37033), (609, 26817), (1277, 12789), (1421, 11493), (1827, 8939), (3831, 4263)]