28440153

素因数分解:

$3^4\times 7^1\times {\mathrm{50159}}^1$

素因数の和:50178

約数の個数: 20

約数和(自身を含む): 48554880

約数和(自身を除く): 20114727

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 50159, 150477, 351113, 451431, 1053339, 1354293, 3160017, 4062879, 9480051, 28440153]

約数ペア:

[(1, 28440153), (3, 9480051), (7, 4062879), (9, 3160017), (21, 1354293), (27, 1053339), (63, 451431), (81, 351113), (189, 150477), (567, 50159)]