28491855

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{271351}}^1$

素因数の和:271366

約数の個数: 16

約数和(自身を含む): 52099584

約数和(自身を除く): 23607729

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 271351, 814053, 1356755, 1899457, 4070265, 5698371, 9497285, 28491855]

約数ペア:

[(1, 28491855), (3, 9497285), (5, 5698371), (7, 4070265), (15, 1899457), (21, 1356755), (35, 814053), (105, 271351)]