210777215

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{683}}^1$

素因数の和:911

約数の個数: 32

約数和(自身を含む): 286820352

約数和(自身を除く): 76043137

約数列:

[1, 5, 11, 31, 55, 155, 181, 341, 683, 905, 1705, 1991, 3415, 5611, 7513, 9955, 21173, 28055, 37565, 61721, 105865, 123623, 232903, 308605, 618115, 1164515, 1359853, 3832313, 6799265, 19161565, 42155443, 210777215]

約数ペア:

[(1, 210777215), (5, 42155443), (11, 19161565), (31, 6799265), (55, 3832313), (155, 1359853), (181, 1164515), (341, 618115), (683, 308605), (905, 232903), (1705, 123623), (1991, 105865), (3415, 61721), (5611, 37565), (7513, 28055), (9955, 21173)]