287702985

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1128247}}^1$

素因数の和:1128272

約数の個数: 16

約数和(自身を含む): 487403136

約数和(自身を除く): 199700151

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 1128247, 3384741, 5641235, 16923705, 19180199, 57540597, 95900995, 287702985]

約数ペア:

[(1, 287702985), (3, 95900995), (5, 57540597), (15, 19180199), (17, 16923705), (51, 5641235), (85, 3384741), (255, 1128247)]