389664255

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{877}}^1\times {\mathrm{1559}}^1$

素因数の和:2463

約数の個数: 32

約数和(自身を含む): 657446400

約数和(自身を除く): 267782145

約数列:

[1, 3, 5, 15, 19, 57, 95, 285, 877, 1559, 2631, 4385, 4677, 7795, 13155, 16663, 23385, 29621, 49989, 83315, 88863, 148105, 249945, 444315, 1367243, 4101729, 6836215, 20508645, 25977617, 77932851, 129888085, 389664255]

約数ペア:

[(1, 389664255), (3, 129888085), (5, 77932851), (15, 25977617), (19, 20508645), (57, 6836215), (95, 4101729), (285, 1367243), (877, 444315), (1559, 249945), (2631, 148105), (4385, 88863), (4677, 83315), (7795, 49989), (13155, 29621), (16663, 23385)]