81575247

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{31219}}^1$

素因数の和:31302

約数の個数: 16

約数和(自身を含む): 118885760

約数和(自身を除く): 37310513

約数列:

[1, 3, 13, 39, 67, 201, 871, 2613, 31219, 93657, 405847, 1217541, 2091673, 6275019, 27191749, 81575247]

約数ペア:

[(1, 81575247), (3, 27191749), (13, 6275019), (39, 2091673), (67, 1217541), (201, 405847), (871, 93657), (2613, 31219)]