28561653

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{15331}}^1$

素因数の和:15366

約数の個数: 20

約数和(自身を含む): 44524128

約数和(自身を除く): 15962475

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 15331, 45993, 137979, 352613, 413937, 1057839, 1241811, 3173517, 9520551, 28561653]

約数ペア:

[(1, 28561653), (3, 9520551), (9, 3173517), (23, 1241811), (27, 1057839), (69, 413937), (81, 352613), (207, 137979), (621, 45993), (1863, 15331)]