211020075

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{133981}}^1$

素因数の和:134004

約数の個数: 36

約数和(自身を含む): 431957968

約数和(自身を除く): 220937893

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 63, 75, 105, 175, 225, 315, 525, 1575, 133981, 401943, 669905, 937867, 1205829, 2009715, 2813601, 3349525, 4689335, 6029145, 8440803, 10048575, 14068005, 23446675, 30145725, 42204015, 70340025, 211020075]

約数ペア:

[(1, 211020075), (3, 70340025), (5, 42204015), (7, 30145725), (9, 23446675), (15, 14068005), (21, 10048575), (25, 8440803), (35, 6029145), (45, 4689335), (63, 3349525), (75, 2813601), (105, 2009715), (175, 1205829), (225, 937867), (315, 669905), (525, 401943), (1575, 133981)]