28995213

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{521}}^1\times {\mathrm{1427}}^1$

素因数の和:1964

約数の個数: 16

約数和(自身を含む): 41743296

約数和(自身を除く): 12748083

約数列:

[1, 3, 13, 39, 521, 1427, 1563, 4281, 6773, 18551, 20319, 55653, 743467, 2230401, 9665071, 28995213]

約数ペア:

[(1, 28995213), (3, 9665071), (13, 2230401), (39, 743467), (521, 55653), (1427, 20319), (1563, 18551), (4281, 6773)]