408408081

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1\times {\mathrm{19727}}^1$

素因数の和:19900

約数の個数: 16

約数和(自身を含む): 558065664

約数和(自身を除く): 149657583

約数列:

[1, 3, 67, 103, 201, 309, 6901, 19727, 20703, 59181, 1321709, 2031881, 3965127, 6095643, 136136027, 408408081]

約数ペア:

[(1, 408408081), (3, 136136027), (67, 6095643), (103, 3965127), (201, 2031881), (309, 1321709), (6901, 59181), (19727, 20703)]