128260713

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{91159}}^1$

素因数の和:91236

約数の個数: 16

約数和(自身を含む): 198364160

約数和(自身を除く): 70103447

約数列:

[1, 3, 7, 21, 67, 201, 469, 1407, 91159, 273477, 638113, 1914339, 6107653, 18322959, 42753571, 128260713]

約数ペア:

[(1, 128260713), (3, 42753571), (7, 18322959), (21, 6107653), (67, 1914339), (201, 638113), (469, 273477), (1407, 91159)]