2189349

素因数分解:

$3^4\times {\mathrm{151}}^1\times {\mathrm{179}}^1$

素因数の和:342

約数の個数: 20

約数和(自身を含む): 3310560

約数和(自身を除く): 1121211

約数列:

[1, 3, 9, 27, 81, 151, 179, 453, 537, 1359, 1611, 4077, 4833, 12231, 14499, 27029, 81087, 243261, 729783, 2189349]

約数ペア:

[(1, 2189349), (3, 729783), (9, 243261), (27, 81087), (81, 27029), (151, 14499), (179, 12231), (453, 4833), (537, 4077), (1359, 1611)]