988844409

素因数分解:

$3^3\times 7^1\times {\mathrm{5231981}}^1$

素因数の和:5231997

約数の個数: 16

約数和(自身を含む): 1674234240

約数和(自身を除く): 685389831

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 5231981, 15695943, 36623867, 47087829, 109871601, 141263487, 329614803, 988844409]

約数ペア:

[(1, 988844409), (3, 329614803), (7, 141263487), (9, 109871601), (21, 47087829), (27, 36623867), (63, 15695943), (189, 5231981)]