68695215

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{269393}}^1$

素因数の和:269418

約数の個数: 16

約数和(自身を含む): 116378208

約数和(自身を除く): 47682993

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 269393, 808179, 1346965, 4040895, 4579681, 13739043, 22898405, 68695215]

約数ペア:

[(1, 68695215), (3, 22898405), (5, 13739043), (15, 4579681), (17, 4040895), (51, 1346965), (85, 808179), (255, 269393)]