15721428399

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{3547}}^1\times {\mathrm{20809}}^1$

素因数の和:24430

約数の個数: 16

約数和(自身を含む): 21264157440

約数和(自身を除く): 5542729041

約数列:

[1, 3, 71, 213, 3547, 10641, 20809, 62427, 251837, 755511, 1477439, 4432317, 73809523, 221428569, 5240476133, 15721428399]

約数ペア:

[(1, 15721428399), (3, 5240476133), (71, 221428569), (213, 73809523), (3547, 4432317), (10641, 1477439), (20809, 755511), (62427, 251837)]