821569287

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{691}}^1\times {\mathrm{5147}}^1$

素因数の和:5859

約数の個数: 32

約数和(自身を含む): 1367967744

約数和(自身を除く): 546398457

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 691, 2073, 4837, 5147, 7601, 14511, 15441, 22803, 36029, 53207, 56617, 108087, 159621, 169851, 396319, 1188957, 3556577, 10669731, 24896039, 39122347, 74688117, 117367041, 273856429, 821569287]

約数ペア:

[(1, 821569287), (3, 273856429), (7, 117367041), (11, 74688117), (21, 39122347), (33, 24896039), (77, 10669731), (231, 3556577), (691, 1188957), (2073, 396319), (4837, 169851), (5147, 159621), (7601, 108087), (14511, 56617), (15441, 53207), (22803, 36029)]