31987977

素因数分解:

$3^1\times 7^1\times {\mathrm{359}}^1\times {\mathrm{4243}}^1$

素因数の和:4612

約数の個数: 16

約数和(自身を含む): 48890880

約数和(自身を除く): 16902903

約数列:

[1, 3, 7, 21, 359, 1077, 2513, 4243, 7539, 12729, 29701, 89103, 1523237, 4569711, 10662659, 31987977]

約数ペア:

[(1, 31987977), (3, 10662659), (7, 4569711), (21, 1523237), (359, 89103), (1077, 29701), (2513, 12729), (4243, 7539)]