28001091

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{199}}^1$

素因数の和:339

約数の個数: 32

約数和(自身を含む): 41472000

約数和(自身を除く): 13470909

約数列:

[1, 3, 17, 31, 51, 89, 93, 199, 267, 527, 597, 1513, 1581, 2759, 3383, 4539, 6169, 8277, 10149, 17711, 18507, 46903, 53133, 104873, 140709, 301087, 314619, 549041, 903261, 1647123, 9333697, 28001091]

約数ペア:

[(1, 28001091), (3, 9333697), (17, 1647123), (31, 903261), (51, 549041), (89, 314619), (93, 301087), (199, 140709), (267, 104873), (527, 53133), (597, 46903), (1513, 18507), (1581, 17711), (2759, 10149), (3383, 8277), (4539, 6169)]