139885407

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{1697}}^1$

素因数の和:1820

約数の個数: 32

約数和(自身を含む): 215170560

約数和(自身を除く): 75285153

約数列:

[1, 3, 9, 27, 43, 71, 129, 213, 387, 639, 1161, 1697, 1917, 3053, 5091, 9159, 15273, 27477, 45819, 72971, 82431, 120487, 218913, 361461, 656739, 1084383, 1970217, 3253149, 5180941, 15542823, 46628469, 139885407]

約数ペア:

[(1, 139885407), (3, 46628469), (9, 15542823), (27, 5180941), (43, 3253149), (71, 1970217), (129, 1084383), (213, 656739), (387, 361461), (639, 218913), (1161, 120487), (1697, 82431), (1917, 72971), (3053, 45819), (5091, 27477), (9159, 15273)]