127221521

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{7933}}^1$

素因数の和:8048

約数の個数: 16

約数和(自身を含む): 152332800

約数和(自身を除く): 25111279

約数列:

[1, 7, 29, 79, 203, 553, 2291, 7933, 16037, 55531, 230057, 626707, 1610399, 4386949, 18174503, 127221521]

約数ペア:

[(1, 127221521), (7, 18174503), (29, 4386949), (79, 1610399), (203, 626707), (553, 230057), (2291, 55531), (7933, 16037)]