68121465

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{267143}}^1$

素因数の和:267168

約数の個数: 16

約数和(自身を含む): 115406208

約数和(自身を除く): 47284743

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 267143, 801429, 1335715, 4007145, 4541431, 13624293, 22707155, 68121465]

約数ペア:

[(1, 68121465), (3, 22707155), (5, 13624293), (15, 4541431), (17, 4007145), (51, 1335715), (85, 801429), (255, 267143)]