153973281

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{373}}^1\times {\mathrm{1787}}^1$

素因数の和:2181

約数の個数: 32

約数和(自身を含む): 256785408

約数和(自身を除く): 102812127

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 373, 1119, 1787, 2611, 4103, 5361, 7833, 12309, 12509, 19657, 28721, 37527, 58971, 86163, 137599, 412797, 666551, 1999653, 4665857, 7332061, 13997571, 21996183, 51324427, 153973281]

約数ペア:

[(1, 153973281), (3, 51324427), (7, 21996183), (11, 13997571), (21, 7332061), (33, 4665857), (77, 1999653), (231, 666551), (373, 412797), (1119, 137599), (1787, 86163), (2611, 58971), (4103, 37527), (5361, 28721), (7833, 19657), (12309, 12509)]