28539273

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71527}}^1$

素因数の和:71556

約数の個数: 16

約数和(自身を含む): 45777920

約数和(自身を除く): 17238647

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 71527, 214581, 500689, 1359013, 1502067, 4077039, 9513091, 28539273]

約数ペア:

[(1, 28539273), (3, 9513091), (7, 4077039), (19, 1502067), (21, 1359013), (57, 500689), (133, 214581), (399, 71527)]