28001337

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{941}}^1$

素因数の和:1073

約数の個数: 32

約数和(自身を含む): 46421760

約数和(自身を除く): 18420423

約数列:

[1, 3, 7, 13, 21, 39, 91, 109, 273, 327, 763, 941, 1417, 2289, 2823, 4251, 6587, 9919, 12233, 19761, 29757, 36699, 85631, 102569, 256893, 307707, 717983, 1333397, 2153949, 4000191, 9333779, 28001337]

約数ペア:

[(1, 28001337), (3, 9333779), (7, 4000191), (13, 2153949), (21, 1333397), (39, 717983), (91, 307707), (109, 256893), (273, 102569), (327, 85631), (763, 36699), (941, 29757), (1417, 19761), (2289, 12233), (2823, 9919), (4251, 6587)]