15721496997

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{78101}}^1\times {\mathrm{3947}}^1$

素因数の和:82068

約数の個数: 16

約数和(自身を含む): 22200962112

約数和(自身を除く): 6479465115

約数列:

[1, 3, 17, 51, 3947, 11841, 67099, 78101, 201297, 234303, 1327717, 3983151, 308264647, 924793941, 5240498999, 15721496997]

約数ペア:

[(1, 15721496997), (3, 5240498999), (17, 924793941), (51, 308264647), (3947, 3983151), (11841, 1327717), (67099, 234303), (78101, 201297)]