28285551

素因数分解:

$3^3\times 7^1\times {\mathrm{103}}^1\times {\mathrm{1453}}^1$

素因数の和:1572

約数の個数: 32

約数和(自身を含む): 48389120

約数和(自身を除く): 20103569

約数列:

[1, 3, 7, 9, 21, 27, 63, 103, 189, 309, 721, 927, 1453, 2163, 2781, 4359, 6489, 10171, 13077, 19467, 30513, 39231, 91539, 149659, 274617, 448977, 1047613, 1346931, 3142839, 4040793, 9428517, 28285551]

約数ペア:

[(1, 28285551), (3, 9428517), (7, 4040793), (9, 3142839), (21, 1346931), (27, 1047613), (63, 448977), (103, 274617), (189, 149659), (309, 91539), (721, 39231), (927, 30513), (1453, 19467), (2163, 13077), (2781, 10171), (4359, 6489)]