28400841

素因数分解:

$3^3\times 7^2\times {\mathrm{21467}}^1$

素因数の和:21490

約数の個数: 24

約数和(自身を含む): 48947040

約数和(自身を除く): 20546199

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 21467, 64401, 150269, 193203, 450807, 579609, 1051883, 1352421, 3155649, 4057263, 9466947, 28400841]

約数ペア:

[(1, 28400841), (3, 9466947), (7, 4057263), (9, 3155649), (21, 1352421), (27, 1051883), (49, 579609), (63, 450807), (147, 193203), (189, 150269), (441, 64401), (1323, 21467)]