28641345

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{6607}}^1$

素因数の和:6649

約数の個数: 24

約数和(自身を含む): 48687744

約数和(自身を除く): 20046399

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 289, 867, 1445, 4335, 6607, 19821, 33035, 99105, 112319, 336957, 561595, 1684785, 1909423, 5728269, 9547115, 28641345]

約数ペア:

[(1, 28641345), (3, 9547115), (5, 5728269), (15, 1909423), (17, 1684785), (51, 561595), (85, 336957), (255, 112319), (289, 99105), (867, 33035), (1445, 19821), (4335, 6607)]