28603557

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{347}}^1$

素因数の和:470

約数の個数: 32

約数和(自身を含む): 44098560

約数和(自身を除く): 15495003

約数列:

[1, 3, 9, 27, 43, 71, 129, 213, 347, 387, 639, 1041, 1161, 1917, 3053, 3123, 9159, 9369, 14921, 24637, 27477, 44763, 73911, 82431, 134289, 221733, 402867, 665199, 1059391, 3178173, 9534519, 28603557]

約数ペア:

[(1, 28603557), (3, 9534519), (9, 3178173), (27, 1059391), (43, 665199), (71, 402867), (129, 221733), (213, 134289), (347, 82431), (387, 73911), (639, 44763), (1041, 27477), (1161, 24637), (1917, 14921), (3053, 9369), (3123, 9159)]