199217277

素因数分解:

$3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{51839}}^1$

素因数の和:51913

約数の個数: 24

約数和(自身を含む): 334264320

約数和(自身を除く): 135047043

約数列:

[1, 3, 7, 9, 21, 61, 63, 183, 427, 549, 1281, 3843, 51839, 155517, 362873, 466551, 1088619, 3162179, 3265857, 9486537, 22135253, 28459611, 66405759, 199217277]

約数ペア:

[(1, 199217277), (3, 66405759), (7, 28459611), (9, 22135253), (21, 9486537), (61, 3265857), (63, 3162179), (183, 1088619), (427, 466551), (549, 362873), (1281, 155517), (3843, 51839)]