225960021

素因数分解:

$3^2\times 7^2\times {\mathrm{313}}^1\times {\mathrm{1637}}^1$

素因数の和:1970

約数の個数: 36

約数和(自身を含む): 381120012

約数和(自身を除く): 155159991

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 313, 441, 939, 1637, 2191, 2817, 4911, 6573, 11459, 14733, 15337, 19719, 34377, 46011, 80213, 103131, 138033, 240639, 512381, 721917, 1537143, 3586667, 4611429, 10760001, 25106669, 32280003, 75320007, 225960021]

約数ペア:

[(1, 225960021), (3, 75320007), (7, 32280003), (9, 25106669), (21, 10760001), (49, 4611429), (63, 3586667), (147, 1537143), (313, 721917), (441, 512381), (939, 240639), (1637, 138033), (2191, 103131), (2817, 80213), (4911, 46011), (6573, 34377), (11459, 19719), (14733, 15337)]