28260045

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1543}}^1$

素因数の和:1602

約数の個数: 48

約数和(自身を含む): 54916992

約数和(自身を除く): 26656947

約数列:

[1, 3, 5, 9, 11, 15, 33, 37, 45, 55, 99, 111, 165, 185, 333, 407, 495, 555, 1221, 1543, 1665, 2035, 3663, 4629, 6105, 7715, 13887, 16973, 18315, 23145, 50919, 57091, 69435, 84865, 152757, 171273, 254595, 285455, 513819, 628001, 763785, 856365, 1884003, 2569095, 3140005, 5652009, 9420015, 28260045]

約数ペア:

[(1, 28260045), (3, 9420015), (5, 5652009), (9, 3140005), (11, 2569095), (15, 1884003), (33, 856365), (37, 763785), (45, 628001), (55, 513819), (99, 285455), (111, 254595), (165, 171273), (185, 152757), (333, 84865), (407, 69435), (495, 57091), (555, 50919), (1221, 23145), (1543, 18315), (1665, 16973), (2035, 13887), (3663, 7715), (4629, 6105)]