221465367

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{503}}^1\times {\mathrm{709}}^1$

素因数の和:1244

約数の個数: 32

約数和(自身を含む): 343526400

約数和(自身を除く): 122061033

約数列:

[1, 3, 9, 23, 27, 69, 207, 503, 621, 709, 1509, 2127, 4527, 6381, 11569, 13581, 16307, 19143, 34707, 48921, 104121, 146763, 312363, 356627, 440289, 1069881, 3209643, 8202421, 9628929, 24607263, 73821789, 221465367]

約数ペア:

[(1, 221465367), (3, 73821789), (9, 24607263), (23, 9628929), (27, 8202421), (69, 3209643), (207, 1069881), (503, 440289), (621, 356627), (709, 312363), (1509, 146763), (2127, 104121), (4527, 48921), (6381, 34707), (11569, 19143), (13581, 16307)]