28780815

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{274103}}^1$

素因数の和:274118

約数の個数: 16

約数和(自身を含む): 52627968

約数和(自身を除く): 23847153

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 274103, 822309, 1370515, 1918721, 4111545, 5756163, 9593605, 28780815]

約数ペア:

[(1, 28780815), (3, 9593605), (5, 5756163), (7, 4111545), (15, 1918721), (21, 1370515), (35, 822309), (105, 274103)]