47090421

素因数分解:

$3^2\times 7^2\times {\mathrm{106781}}^1$

素因数の和:106801

約数の個数: 18

約数和(自身を含む): 79125462

約数和(自身を除く): 32035041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 106781, 320343, 747467, 961029, 2242401, 5232269, 6727203, 15696807, 47090421]

約数ペア:

[(1, 47090421), (3, 15696807), (7, 6727203), (9, 5232269), (21, 2242401), (49, 961029), (63, 747467), (147, 320343), (441, 106781)]