1720281

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{379}}^1$

素因数の和:488

約数の個数: 16

約数和(自身を含む): 2462400

約数和(自身を除く): 742119

約数列:

[1, 3, 17, 51, 89, 267, 379, 1137, 1513, 4539, 6443, 19329, 33731, 101193, 573427, 1720281]

約数ペア:

[(1, 1720281), (3, 573427), (17, 101193), (51, 33731), (89, 19329), (267, 6443), (379, 4539), (1137, 1513)]