28697865

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{273313}}^1$

素因数の和:273328

約数の個数: 16

約数和(自身を含む): 52476288

約数和(自身を除く): 23778423

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 273313, 819939, 1366565, 1913191, 4099695, 5739573, 9565955, 28697865]

約数ペア:

[(1, 28697865), (3, 9565955), (5, 5739573), (7, 4099695), (15, 1913191), (21, 1366565), (35, 819939), (105, 273313)]