31272549

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{331}}^1\times {\mathrm{409}}^1$

素因数の和:761

約数の個数: 32

約数和(自身を含む): 52270080

約数和(自身を除く): 20997531

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 331, 409, 993, 1227, 2317, 2863, 3641, 4499, 6951, 8589, 10923, 13497, 25487, 31493, 76461, 94479, 135379, 406137, 947653, 1489169, 2842959, 4467507, 10424183, 31272549]

約数ペア:

[(1, 31272549), (3, 10424183), (7, 4467507), (11, 2842959), (21, 1489169), (33, 947653), (77, 406137), (231, 135379), (331, 94479), (409, 76461), (993, 31493), (1227, 25487), (2317, 13497), (2863, 10923), (3641, 8589), (4499, 6951)]