490220901

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{647}}^1\times {\mathrm{2903}}^1$

素因数の和:3585

約数の個数: 24

約数和(自身を含む): 733898880

約数和(自身を除く): 243677979

約数列:

[1, 3, 9, 29, 87, 261, 647, 1941, 2903, 5823, 8709, 18763, 26127, 56289, 84187, 168867, 252561, 757683, 1878241, 5634723, 16904169, 54468989, 163406967, 490220901]

約数ペア:

[(1, 490220901), (3, 163406967), (9, 54468989), (29, 16904169), (87, 5634723), (261, 1878241), (647, 757683), (1941, 252561), (2903, 168867), (5823, 84187), (8709, 56289), (18763, 26127)]