25729977

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{307}}^2$

素因数の和:637

約数の個数: 24

約数和(自身を含む): 42361536

約数和(自身を除く): 16631559

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 307, 921, 2149, 3991, 6447, 11973, 27937, 83811, 94249, 282747, 659743, 1225237, 1979229, 3675711, 8576659, 25729977]

約数ペア:

[(1, 25729977), (3, 8576659), (7, 3675711), (13, 1979229), (21, 1225237), (39, 659743), (91, 282747), (273, 94249), (307, 83811), (921, 27937), (2149, 11973), (3991, 6447)]