385815

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{89}}^1$

素因数の和:131

約数の個数: 24

約数和(自身を含む): 663120

約数和(自身を除く): 277305

約数列:

[1, 3, 5, 15, 17, 51, 85, 89, 255, 267, 289, 445, 867, 1335, 1445, 1513, 4335, 4539, 7565, 22695, 25721, 77163, 128605, 385815]

約数ペア:

[(1, 385815), (3, 128605), (5, 77163), (15, 25721), (17, 22695), (51, 7565), (85, 4539), (89, 4335), (255, 1513), (267, 1445), (289, 1335), (445, 867)]