2821637

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{307}}^1$

素因数の和:428

約数の個数: 16

約数和(自身を含む): 3518592

約数和(自身を除く): 696955

約数列:

[1, 7, 13, 91, 101, 307, 707, 1313, 2149, 3991, 9191, 27937, 31007, 217049, 403091, 2821637]

約数ペア:

[(1, 2821637), (7, 403091), (13, 217049), (91, 31007), (101, 27937), (307, 9191), (707, 3991), (1313, 2149)]