213885525

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{407401}}^1$

素因数の和:407421

約数の個数: 24

約数和(自身を含む): 404142784

約数和(自身を除く): 190257259

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 175, 525, 407401, 1222203, 2037005, 2851807, 6111015, 8555421, 10185025, 14259035, 30555075, 42777105, 71295175, 213885525]

約数ペア:

[(1, 213885525), (3, 71295175), (5, 42777105), (7, 30555075), (15, 14259035), (21, 10185025), (25, 8555421), (35, 6111015), (75, 2851807), (105, 2037005), (175, 1222203), (525, 407401)]