3989781

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{293}}^1$

素因数の和:405

約数の個数: 24

約数和(自身を含む): 6191640

約数和(自身を除く): 2201859

約数列:

[1, 3, 9, 17, 51, 89, 153, 267, 293, 801, 879, 1513, 2637, 4539, 4981, 13617, 14943, 26077, 44829, 78231, 234693, 443309, 1329927, 3989781]

約数ペア:

[(1, 3989781), (3, 1329927), (9, 443309), (17, 234693), (51, 78231), (89, 44829), (153, 26077), (267, 14943), (293, 13617), (801, 4981), (879, 4539), (1513, 2637)]