28881537

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{641}}^1\times {\mathrm{653}}^1$

素因数の和:1320

約数の個数: 16

約数和(自身を含む): 40307328

約数和(自身を除く): 11425791

約数列:

[1, 3, 23, 69, 641, 653, 1923, 1959, 14743, 15019, 44229, 45057, 418573, 1255719, 9627179, 28881537]

約数ペア:

[(1, 28881537), (3, 9627179), (23, 1255719), (69, 418573), (641, 45057), (653, 44229), (1923, 15019), (1959, 14743)]