29157891

素因数分解:

$3^1\times 7^2\times {\mathrm{139}}^1\times {\mathrm{1427}}^1$

素因数の和:1583

約数の個数: 24

約数和(自身を含む): 45581760

約数和(自身を除く): 16423869

約数列:

[1, 3, 7, 21, 49, 139, 147, 417, 973, 1427, 2919, 4281, 6811, 9989, 20433, 29967, 69923, 198353, 209769, 595059, 1388471, 4165413, 9719297, 29157891]

約数ペア:

[(1, 29157891), (3, 9719297), (7, 4165413), (21, 1388471), (49, 595059), (139, 209769), (147, 198353), (417, 69923), (973, 29967), (1427, 20433), (2919, 9989), (4281, 6811)]