28202991

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{11047}}^1$

素因数の和:11110

約数の個数: 16

約数和(自身を含む): 40303104

約数和(自身を除く): 12100113

約数列:

[1, 3, 23, 37, 69, 111, 851, 2553, 11047, 33141, 254081, 408739, 762243, 1226217, 9400997, 28202991]

約数ペア:

[(1, 28202991), (3, 9400997), (23, 1226217), (37, 762243), (69, 408739), (111, 254081), (851, 33141), (2553, 11047)]