128210817

素因数分解:

$3^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{113}}^1\times {\mathrm{557}}^1$

素因数の和:777

約数の個数: 32

約数和(自身を含む): 199487232

約数和(自身を除く): 71276415

約数列:

[1, 3, 7, 21, 97, 113, 291, 339, 557, 679, 791, 1671, 2037, 2373, 3899, 10961, 11697, 32883, 54029, 62941, 76727, 162087, 188823, 230181, 378203, 440587, 1134609, 1321761, 6105277, 18315831, 42736939, 128210817]

約数ペア:

[(1, 128210817), (3, 42736939), (7, 18315831), (21, 6105277), (97, 1321761), (113, 1134609), (291, 440587), (339, 378203), (557, 230181), (679, 188823), (791, 162087), (1671, 76727), (2037, 62941), (2373, 54029), (3899, 32883), (10961, 11697)]