2115525

素因数分解:

$3^1\times 5^2\times {\mathrm{67}}^1\times {\mathrm{421}}^1$

素因数の和:501

約数の個数: 24

約数和(自身を含む): 3558304

約数和(自身を除く): 1442779

約数列:

[1, 3, 5, 15, 25, 67, 75, 201, 335, 421, 1005, 1263, 1675, 2105, 5025, 6315, 10525, 28207, 31575, 84621, 141035, 423105, 705175, 2115525]

約数ペア:

[(1, 2115525), (3, 705175), (5, 423105), (15, 141035), (25, 84621), (67, 31575), (75, 28207), (201, 10525), (335, 6315), (421, 5025), (1005, 2105), (1263, 1675)]