721782141

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{145903}}^1$

素因数の和:146020

約数の個数: 16

約数和(自身を含む): 1029498624

約数和(自身を除く): 307716483

約数列:

[1, 3, 17, 51, 97, 291, 1649, 4947, 145903, 437709, 2480351, 7441053, 14152591, 42457773, 240594047, 721782141]

約数ペア:

[(1, 721782141), (3, 240594047), (17, 42457773), (51, 14152591), (97, 7441053), (291, 2480351), (1649, 437709), (4947, 145903)]