1639334421

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{1423}}^1\times {\mathrm{6737}}^1$

素因数の和:8185

約数の個数: 24

約数和(自身を含む): 2494677120

約数和(自身を除く): 855342699

約数列:

[1, 3, 9, 19, 57, 171, 1423, 4269, 6737, 12807, 20211, 27037, 60633, 81111, 128003, 243333, 384009, 1152027, 9586751, 28760253, 86280759, 182148269, 546444807, 1639334421]

約数ペア:

[(1, 1639334421), (3, 546444807), (9, 182148269), (19, 86280759), (57, 28760253), (171, 9586751), (1423, 1152027), (4269, 384009), (6737, 243333), (12807, 128003), (20211, 81111), (27037, 60633)]