28571373

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{20749}}^1$

素因数の和:20778

約数の個数: 20

約数和(自身を含む): 45193500

約数和(自身を除く): 16622127

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 20749, 62247, 186741, 352733, 560223, 1058199, 1680669, 3174597, 9523791, 28571373]

約数ペア:

[(1, 28571373), (3, 9523791), (9, 3174597), (17, 1680669), (27, 1058199), (51, 560223), (81, 352733), (153, 186741), (459, 62247), (1377, 20749)]