520163451

素因数分解:

$3^4\times {\mathrm{157}}^1\times {\mathrm{40903}}^1$

素因数の和:41072

約数の個数: 20

約数和(自身を含む): 782002672

約数和(自身を除く): 261839221

約数列:

[1, 3, 9, 27, 81, 157, 471, 1413, 4239, 12717, 40903, 122709, 368127, 1104381, 3313143, 6421771, 19265313, 57795939, 173387817, 520163451]

約数ペア:

[(1, 520163451), (3, 173387817), (9, 57795939), (27, 19265313), (81, 6421771), (157, 3313143), (471, 1104381), (1413, 368127), (4239, 122709), (12717, 40903)]