28744659

素因数分解:

$3^3\times {\mathrm{157}}^1\times {\mathrm{6781}}^1$

素因数の和:6947

約数の個数: 16

約数和(自身を含む): 42862240

約数和(自身を除く): 14117581

約数列:

[1, 3, 9, 27, 157, 471, 1413, 4239, 6781, 20343, 61029, 183087, 1064617, 3193851, 9581553, 28744659]

約数ペア:

[(1, 28744659), (3, 9581553), (9, 3193851), (27, 1064617), (157, 183087), (471, 61029), (1413, 20343), (4239, 6781)]