201489855

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1\times {\mathrm{271}}^1$

素因数の和:456

約数の個数: 64

約数和(自身を含む): 378728448

約数和(自身を除く): 177238593

約数列:

[1, 3, 5, 7, 15, 21, 35, 73, 97, 105, 219, 271, 291, 365, 485, 511, 679, 813, 1095, 1355, 1455, 1533, 1897, 2037, 2555, 3395, 4065, 5691, 7081, 7665, 9485, 10185, 19783, 21243, 26287, 28455, 35405, 49567, 59349, 78861, 98915, 106215, 131435, 138481, 148701, 184009, 247835, 296745, 394305, 415443, 552027, 692405, 743505, 920045, 1918951, 2077215, 2760135, 5756853, 9594755, 13432657, 28784265, 40297971, 67163285, 201489855]

約数ペア:

[(1, 201489855), (3, 67163285), (5, 40297971), (7, 28784265), (15, 13432657), (21, 9594755), (35, 5756853), (73, 2760135), (97, 2077215), (105, 1918951), (219, 920045), (271, 743505), (291, 692405), (365, 552027), (485, 415443), (511, 394305), (679, 296745), (813, 247835), (1095, 184009), (1355, 148701), (1455, 138481), (1533, 131435), (1897, 106215), (2037, 98915), (2555, 78861), (3395, 59349), (4065, 49567), (5691, 35405), (7081, 28455), (7665, 26287), (9485, 21243), (10185, 19783)]