12540447

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{12553}}^1$

素因数の和:12599

約数の個数: 16

約数和(自身を含む): 19082080

約数和(自身を除く): 6541633

約数列:

[1, 3, 9, 27, 37, 111, 333, 999, 12553, 37659, 112977, 338931, 464461, 1393383, 4180149, 12540447]

約数ペア:

[(1, 12540447), (3, 4180149), (9, 1393383), (27, 464461), (37, 338931), (111, 112977), (333, 37659), (999, 12553)]