64638327

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{6449}}^1$

素因数の和:6722

約数の個数: 16

約数和(自身を含む): 93189600

約数和(自身を除く): 28551273

約数列:

[1, 3, 13, 39, 257, 771, 3341, 6449, 10023, 19347, 83837, 251511, 1657393, 4972179, 21546109, 64638327]

約数ペア:

[(1, 64638327), (3, 21546109), (13, 4972179), (39, 1657393), (257, 251511), (771, 83837), (3341, 19347), (6449, 10023)]