28045197

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{18223}}^1$

素因数の和:18254

約数の個数: 20

約数和(自身を含む): 44102080

約数和(自身を除く): 16056883

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 18223, 54669, 164007, 346237, 492021, 1038711, 1476063, 3116133, 9348399, 28045197]

約数ペア:

[(1, 28045197), (3, 9348399), (9, 3116133), (19, 1476063), (27, 1038711), (57, 492021), (81, 346237), (171, 164007), (513, 54669), (1539, 18223)]