28873431

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{2797}}^1$

素因数の和:2871

約数の個数: 24

約数和(自身を含む): 44230784

約数和(自身を除く): 15357353

約数列:

[1, 3, 9, 31, 37, 93, 111, 279, 333, 1147, 2797, 3441, 8391, 10323, 25173, 86707, 103489, 260121, 310467, 780363, 931401, 3208159, 9624477, 28873431]

約数ペア:

[(1, 28873431), (3, 9624477), (9, 3208159), (31, 931401), (37, 780363), (93, 310467), (111, 260121), (279, 103489), (333, 86707), (1147, 25173), (2797, 10323), (3441, 8391)]