620405289

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{428161}}^1$

素因数の和:428197

約数の個数: 24

約数和(自身を含む): 1068692352

約数和(自身を除く): 448287063

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 483, 1449, 428161, 1284483, 2997127, 3853449, 8991381, 9847703, 26974143, 29543109, 68933921, 88629327, 206801763, 620405289]

約数ペア:

[(1, 620405289), (3, 206801763), (7, 88629327), (9, 68933921), (21, 29543109), (23, 26974143), (63, 9847703), (69, 8991381), (161, 3853449), (207, 2997127), (483, 1284483), (1449, 428161)]