203499009

素因数分解:

$3^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{20063}}^1$

素因数の和:20106

約数の個数: 36

約数和(自身を含む): 356818176

約数和(自身を除く): 153319167

約数列:

[1, 3, 7, 9, 21, 23, 49, 63, 69, 147, 161, 207, 441, 483, 1127, 1449, 3381, 10143, 20063, 60189, 140441, 180567, 421323, 461449, 983087, 1263969, 1384347, 2949261, 3230143, 4153041, 8847783, 9690429, 22611001, 29071287, 67833003, 203499009]

約数ペア:

[(1, 203499009), (3, 67833003), (7, 29071287), (9, 22611001), (21, 9690429), (23, 8847783), (49, 4153041), (63, 3230143), (69, 2949261), (147, 1384347), (161, 1263969), (207, 983087), (441, 461449), (483, 421323), (1127, 180567), (1449, 140441), (3381, 60189), (10143, 20063)]