28778505

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{274081}}^1$

素因数の和:274096

約数の個数: 16

約数和(自身を含む): 52623744

約数和(自身を除く): 23845239

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 274081, 822243, 1370405, 1918567, 4111215, 5755701, 9592835, 28778505]

約数ペア:

[(1, 28778505), (3, 9592835), (5, 5755701), (7, 4111215), (15, 1918567), (21, 1370405), (35, 822243), (105, 274081)]