189216243

素因数分解:

$3^4\times {\mathrm{157}}^1\times {\mathrm{14879}}^1$

素因数の和:15048

約数の個数: 20

約数和(自身を含む): 284475840

約数和(自身を除く): 95259597

約数列:

[1, 3, 9, 27, 81, 157, 471, 1413, 4239, 12717, 14879, 44637, 133911, 401733, 1205199, 2336003, 7008009, 21024027, 63072081, 189216243]

約数ペア:

[(1, 189216243), (3, 63072081), (9, 21024027), (27, 7008009), (81, 2336003), (157, 1205199), (471, 401733), (1413, 133911), (4239, 44637), (12717, 14879)]