78009021

素因数分解:

$3^3\times {\mathrm{211}}^1\times {\mathrm{13693}}^1$

素因数の和:13913

約数の個数: 16

約数和(自身を含む): 116125120

約数和(自身を除く): 38116099

約数列:

[1, 3, 9, 27, 211, 633, 1899, 5697, 13693, 41079, 123237, 369711, 2889223, 8667669, 26003007, 78009021]

約数ペア:

[(1, 78009021), (3, 26003007), (9, 8667669), (27, 2889223), (211, 369711), (633, 123237), (1899, 41079), (5697, 13693)]