8638407

素因数分解:

$3^5\times {\mathrm{19}}^1\times {\mathrm{1871}}^1$

素因数の和:1905

約数の個数: 24

約数和(自身を含む): 13628160

約数和(自身を除く): 4989753

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 243, 513, 1539, 1871, 4617, 5613, 16839, 35549, 50517, 106647, 151551, 319941, 454653, 959823, 2879469, 8638407]

約数ペア:

[(1, 8638407), (3, 2879469), (9, 959823), (19, 454653), (27, 319941), (57, 151551), (81, 106647), (171, 50517), (243, 35549), (513, 16839), (1539, 5613), (1871, 4617)]