28964985

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{311}}^1\times {\mathrm{887}}^1$

素因数の和:1213

約数の個数: 32

約数和(自身を含む): 53194752

約数和(自身を除く): 24229767

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 311, 887, 933, 1555, 2177, 2661, 4435, 4665, 6209, 6531, 10885, 13305, 18627, 31045, 32655, 93135, 275857, 827571, 1379285, 1930999, 4137855, 5792997, 9654995, 28964985]

約数ペア:

[(1, 28964985), (3, 9654995), (5, 5792997), (7, 4137855), (15, 1930999), (21, 1379285), (35, 827571), (105, 275857), (311, 93135), (887, 32655), (933, 31045), (1555, 18627), (2177, 13305), (2661, 10885), (4435, 6531), (4665, 6209)]