131324823

素因数分解:

$3^2\times 7^1\times {\mathrm{521}}^1\times {\mathrm{4001}}^1$

素因数の和:4535

約数の個数: 24

約数和(自身を含む): 217260576

約数和(自身を除く): 85935753

約数列:

[1, 3, 7, 9, 21, 63, 521, 1563, 3647, 4001, 4689, 10941, 12003, 28007, 32823, 36009, 84021, 252063, 2084521, 6253563, 14591647, 18760689, 43774941, 131324823]

約数ペア:

[(1, 131324823), (3, 43774941), (7, 18760689), (9, 14591647), (21, 6253563), (63, 2084521), (521, 252063), (1563, 84021), (3647, 36009), (4001, 32823), (4689, 28007), (10941, 12003)]