127405431

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{17327}}^1$

素因数の和:17395

約数の個数: 24

約数和(自身を含む): 198232320

約数和(自身を除く): 70826889

約数列:

[1, 3, 9, 19, 43, 57, 129, 171, 387, 817, 2451, 7353, 17327, 51981, 155943, 329213, 745061, 987639, 2235183, 2962917, 6705549, 14156159, 42468477, 127405431]

約数ペア:

[(1, 127405431), (3, 42468477), (9, 14156159), (19, 6705549), (43, 2962917), (57, 2235183), (129, 987639), (171, 745061), (387, 329213), (817, 155943), (2451, 51981), (7353, 17327)]