28549881

素因数分解:

$3^3\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{281}}^1$

素因数の和:414

約数の個数: 32

約数和(自身を含む): 43856640

約数和(自身を除く): 15306759

約数列:

[1, 3, 9, 27, 53, 71, 159, 213, 281, 477, 639, 843, 1431, 1917, 2529, 3763, 7587, 11289, 14893, 19951, 33867, 44679, 59853, 101601, 134037, 179559, 402111, 538677, 1057403, 3172209, 9516627, 28549881]

約数ペア:

[(1, 28549881), (3, 9516627), (9, 3172209), (27, 1057403), (53, 538677), (71, 402111), (159, 179559), (213, 134037), (281, 101601), (477, 59853), (639, 44679), (843, 33867), (1431, 19951), (1917, 14893), (2529, 11289), (3763, 7587)]