223947717

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{233}}^1\times {\mathrm{1237}}^1$

素因数の和:1517

約数の個数: 32

約数和(自身を含む): 352265472

約数和(自身を除く): 128317755

約数列:

[1, 3, 7, 21, 37, 111, 233, 259, 699, 777, 1237, 1631, 3711, 4893, 8621, 8659, 25863, 25977, 45769, 60347, 137307, 181041, 288221, 320383, 864663, 961149, 2017547, 6052641, 10664177, 31992531, 74649239, 223947717]

約数ペア:

[(1, 223947717), (3, 74649239), (7, 31992531), (21, 10664177), (37, 6052641), (111, 2017547), (233, 961149), (259, 864663), (699, 320383), (777, 288221), (1237, 181041), (1631, 137307), (3711, 60347), (4893, 45769), (8621, 25977), (8659, 25863)]