16897671

素因数分解:

$3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{4397}}^1$

素因数の和:4471

約数の個数: 24

約数和(自身を含む): 28358304

約数和(自身を除く): 11460633

約数列:

[1, 3, 7, 9, 21, 61, 63, 183, 427, 549, 1281, 3843, 4397, 13191, 30779, 39573, 92337, 268217, 277011, 804651, 1877519, 2413953, 5632557, 16897671]

約数ペア:

[(1, 16897671), (3, 5632557), (7, 2413953), (9, 1877519), (21, 804651), (61, 277011), (63, 268217), (183, 92337), (427, 39573), (549, 30779), (1281, 13191), (3843, 4397)]