211316215

素因数分解:

$5^1\times {\mathrm{11}}^3\times {\mathrm{113}}^1\times {\mathrm{281}}^1$

素因数の和:432

約数の個数: 32

約数和(自身を含む): 282388032

約数和(自身を除く): 71071817

約数列:

[1, 5, 11, 55, 113, 121, 281, 565, 605, 1243, 1331, 1405, 3091, 6215, 6655, 13673, 15455, 31753, 34001, 68365, 150403, 158765, 170005, 349283, 374011, 752015, 1746415, 1870055, 3842113, 19210565, 42263243, 211316215]

約数ペア:

[(1, 211316215), (5, 42263243), (11, 19210565), (55, 3842113), (113, 1870055), (121, 1746415), (281, 752015), (565, 374011), (605, 349283), (1243, 170005), (1331, 158765), (1405, 150403), (3091, 68365), (6215, 34001), (6655, 31753), (13673, 15455)]