281736147

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{421}}^1\times {\mathrm{2897}}^1$

素因数の和:3339

約数の個数: 32

約数和(自身を含む): 469615104

約数和(自身を除く): 187878957

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 421, 1263, 2897, 2947, 4631, 8691, 8841, 13893, 20279, 31867, 32417, 60837, 95601, 97251, 223069, 669207, 1219637, 3658911, 8537459, 13416007, 25612377, 40248021, 93912049, 281736147]

約数ペア:

[(1, 281736147), (3, 93912049), (7, 40248021), (11, 25612377), (21, 13416007), (33, 8537459), (77, 3658911), (231, 1219637), (421, 669207), (1263, 223069), (2897, 97251), (2947, 95601), (4631, 60837), (8691, 32417), (8841, 31867), (13893, 20279)]