221821899

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1$

素因数の和:284

約数の個数: 64

約数和(自身を含む): 355622400

約数和(自身を除く): 133800501

約数列:

[1, 3, 13, 17, 29, 39, 51, 83, 87, 139, 221, 249, 377, 417, 493, 663, 1079, 1131, 1411, 1479, 1807, 2363, 2407, 3237, 4031, 4233, 5421, 6409, 7089, 7221, 11537, 12093, 18343, 19227, 30719, 31291, 34611, 40919, 52403, 55029, 68527, 92157, 93873, 122757, 149981, 157209, 196129, 205581, 334573, 449943, 531947, 588387, 890851, 1003719, 1595841, 2549677, 2672553, 4349449, 5687741, 7649031, 13048347, 17063223, 73940633, 221821899]

約数ペア:

[(1, 221821899), (3, 73940633), (13, 17063223), (17, 13048347), (29, 7649031), (39, 5687741), (51, 4349449), (83, 2672553), (87, 2549677), (139, 1595841), (221, 1003719), (249, 890851), (377, 588387), (417, 531947), (493, 449943), (663, 334573), (1079, 205581), (1131, 196129), (1411, 157209), (1479, 149981), (1807, 122757), (2363, 93873), (2407, 92157), (3237, 68527), (4031, 55029), (4233, 52403), (5421, 40919), (6409, 34611), (7089, 31291), (7221, 30719), (11537, 19227), (12093, 18343)]