81977457

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{673}}^1\times {\mathrm{2137}}^1$

素因数の和:2832

約数の個数: 16

約数和(自身を含む): 115280960

約数和(自身を除く): 33303503

約数列:

[1, 3, 19, 57, 673, 2019, 2137, 6411, 12787, 38361, 40603, 121809, 1438201, 4314603, 27325819, 81977457]

約数ペア:

[(1, 81977457), (3, 27325819), (19, 4314603), (57, 1438201), (673, 121809), (2019, 40603), (2137, 38361), (6411, 12787)]