81270795

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{3581}}^1$

素因数の和:3695

約数の個数: 32

約数和(自身を含む): 139268160

約数和(自身を除く): 57997365

約数列:

[1, 3, 5, 15, 17, 51, 85, 89, 255, 267, 445, 1335, 1513, 3581, 4539, 7565, 10743, 17905, 22695, 53715, 60877, 182631, 304385, 318709, 913155, 956127, 1593545, 4780635, 5418053, 16254159, 27090265, 81270795]

約数ペア:

[(1, 81270795), (3, 27090265), (5, 16254159), (15, 5418053), (17, 4780635), (51, 1593545), (85, 956127), (89, 913155), (255, 318709), (267, 304385), (445, 182631), (1335, 60877), (1513, 53715), (3581, 22695), (4539, 17905), (7565, 10743)]