1616517

素因数分解:

$3^4\times 7^1\times {\mathrm{2851}}^1$

素因数の和:2870

約数の個数: 20

約数和(自身を含む): 2760736

約数和(自身を除く): 1144219

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 2851, 8553, 19957, 25659, 59871, 76977, 179613, 230931, 538839, 1616517]

約数ペア:

[(1, 1616517), (3, 538839), (7, 230931), (9, 179613), (21, 76977), (27, 59871), (63, 25659), (81, 19957), (189, 8553), (567, 2851)]