211399485

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{31249}}^1$

素因数の和:31309

約数の個数: 32

約数和(自身を含む): 378000000

約数和(自身を除く): 166600515

約数列:

[1, 3, 5, 11, 15, 33, 41, 55, 123, 165, 205, 451, 615, 1353, 2255, 6765, 31249, 93747, 156245, 343739, 468735, 1031217, 1281209, 1718695, 3843627, 5156085, 6406045, 14093299, 19218135, 42279897, 70466495, 211399485]

約数ペア:

[(1, 211399485), (3, 70466495), (5, 42279897), (11, 19218135), (15, 14093299), (33, 6406045), (41, 5156085), (55, 3843627), (123, 1718695), (165, 1281209), (205, 1031217), (451, 468735), (615, 343739), (1353, 156245), (2255, 93747), (6765, 31249)]