28641561

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{457}}^1\times {\mathrm{1607}}^1$

素因数の和:2080

約数の個数: 16

約数和(自身を含む): 41241984

約数和(自身を除く): 12600423

約数列:

[1, 3, 13, 39, 457, 1371, 1607, 4821, 5941, 17823, 20891, 62673, 734399, 2203197, 9547187, 28641561]

約数ペア:

[(1, 28641561), (3, 9547187), (13, 2203197), (39, 734399), (457, 62673), (1371, 20891), (1607, 17823), (4821, 5941)]