421293339

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{219767}}^1$

素因数の和:219847

約数の個数: 16

約数和(自身を含む): 632931840

約数和(自身を除く): 211638501

約数列:

[1, 3, 9, 27, 71, 213, 639, 1917, 219767, 659301, 1977903, 5933709, 15603457, 46810371, 140431113, 421293339]

約数ペア:

[(1, 421293339), (3, 140431113), (9, 46810371), (27, 15603457), (71, 5933709), (213, 1977903), (639, 659301), (1917, 219767)]