1285335219

素因数分解:

$3^1\times 7^3\times {\mathrm{1249111}}^1$

素因数の和:1249135

約数の個数: 16

約数和(自身を含む): 1998579200

約数和(自身を除く): 713243981

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 1249111, 3747333, 8743777, 26231331, 61206439, 183619317, 428445073, 1285335219]

約数ペア:

[(1, 1285335219), (3, 428445073), (7, 183619317), (21, 61206439), (49, 26231331), (147, 8743777), (343, 3747333), (1029, 1249111)]