28225323

素因数分解:

$3^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{2207}}^1$

素因数の和:2256

約数の個数: 36

約数和(自身を含む): 49083840

約数和(自身を除く): 20858517

約数列:

[1, 3, 7, 9, 21, 29, 49, 63, 87, 147, 203, 261, 441, 609, 1421, 1827, 2207, 4263, 6621, 12789, 15449, 19863, 46347, 64003, 108143, 139041, 192009, 324429, 448021, 576027, 973287, 1344063, 3136147, 4032189, 9408441, 28225323]

約数ペア:

[(1, 28225323), (3, 9408441), (7, 4032189), (9, 3136147), (21, 1344063), (29, 973287), (49, 576027), (63, 448021), (87, 324429), (147, 192009), (203, 139041), (261, 108143), (441, 64003), (609, 46347), (1421, 19863), (1827, 15449), (2207, 12789), (4263, 6621)]