208766145

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{1988249}}^1$

素因数の和:1988264

約数の個数: 16

約数和(自身を含む): 381744000

約数和(自身を除く): 172977855

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 1988249, 5964747, 9941245, 13917743, 29823735, 41753229, 69588715, 208766145]

約数ペア:

[(1, 208766145), (3, 69588715), (5, 41753229), (7, 29823735), (15, 13917743), (21, 9941245), (35, 5964747), (105, 1988249)]