15721921851

素因数分解:

$3^1\times {\mathrm{79}}^1\times {\mathrm{1723}}^1\times {\mathrm{38501}}^1$

素因数の和:40306

約数の個数: 16

約数和(自身を含む): 21240783360

約数和(自身を除く): 5518861509

約数列:

[1, 3, 79, 237, 1723, 5169, 38501, 115503, 136117, 408351, 3041579, 9124737, 66337223, 199011669, 5240640617, 15721921851]

約数ペア:

[(1, 15721921851), (3, 5240640617), (79, 199011669), (237, 66337223), (1723, 9124737), (5169, 3041579), (38501, 408351), (115503, 136117)]