2783449179

素因数分解:

$3^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{397}}^1\times {\mathrm{1021}}^1$

素因数の和:1540

約数の個数: 48

約数和(自身を含む): 4653288640

約数和(自身を除く): 1869839461

約数列:

[1, 3, 7, 9, 21, 63, 109, 327, 397, 763, 981, 1021, 1191, 2289, 2779, 3063, 3573, 6867, 7147, 8337, 9189, 21441, 25011, 43273, 64323, 111289, 129819, 302911, 333867, 389457, 405337, 779023, 908733, 1001601, 1216011, 2337069, 2726199, 2837359, 3648033, 7011207, 8512077, 25536231, 44181733, 132545199, 309272131, 397635597, 927816393, 2783449179]

約数ペア:

[(1, 2783449179), (3, 927816393), (7, 397635597), (9, 309272131), (21, 132545199), (63, 44181733), (109, 25536231), (327, 8512077), (397, 7011207), (763, 3648033), (981, 2837359), (1021, 2726199), (1191, 2337069), (2289, 1216011), (2779, 1001601), (3063, 908733), (3573, 779023), (6867, 405337), (7147, 389457), (8337, 333867), (9189, 302911), (21441, 129819), (25011, 111289), (43273, 64323)]