78984801

素因数分解:

$3^4\times 7^1\times {\mathrm{139303}}^1$

素因数の和:139322

約数の個数: 20

約数和(自身を含む): 134846272

約数和(自身を除く): 55861471

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 139303, 417909, 975121, 1253727, 2925363, 3761181, 8776089, 11283543, 26328267, 78984801]

約数ペア:

[(1, 78984801), (3, 26328267), (7, 11283543), (9, 8776089), (21, 3761181), (27, 2925363), (63, 1253727), (81, 975121), (189, 417909), (567, 139303)]