408078729

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{117163}}^1$

素因数の和:117218

約数の個数: 20

約数和(自身を含む): 623781136

約数和(自身を除く): 215702407

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 1161, 3483, 117163, 351489, 1054467, 3163401, 5038009, 9490203, 15114027, 45342081, 136026243, 408078729]

約数ペア:

[(1, 408078729), (3, 136026243), (9, 45342081), (27, 15114027), (43, 9490203), (81, 5038009), (129, 3163401), (387, 1054467), (1161, 351489), (3483, 117163)]