28488465

素因数分解:

$3^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{4621}}^1$

素因数の和:4769

約数の個数: 24

約数和(自身を含む): 49751208

約数和(自身を除く): 21262743

約数列:

[1, 3, 5, 9, 15, 45, 137, 411, 685, 1233, 2055, 4621, 6165, 13863, 23105, 41589, 69315, 207945, 633077, 1899231, 3165385, 5697693, 9496155, 28488465]

約数ペア:

[(1, 28488465), (3, 9496155), (5, 5697693), (9, 3165385), (15, 1899231), (45, 633077), (137, 207945), (411, 69315), (685, 41589), (1233, 23105), (2055, 13863), (4621, 6165)]