66216621

素因数分解:

$3^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1\times {\mathrm{2207}}^1$

素因数の和:2420

約数の個数: 16

約数和(自身を含む): 90192384

約数和(自身を除く): 23975763

約数列:

[1, 3, 73, 137, 219, 411, 2207, 6621, 10001, 30003, 161111, 302359, 483333, 907077, 22072207, 66216621]

約数ペア:

[(1, 66216621), (3, 22072207), (73, 907077), (137, 483333), (219, 302359), (411, 161111), (2207, 30003), (6621, 10001)]