28181655

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{10987}}^1$

素因数の和:11020

約数の個数: 32

約数和(自身を含む): 52742400

約数和(自身を除く): 24560745

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 95, 135, 171, 285, 513, 855, 2565, 10987, 32961, 54935, 98883, 164805, 208753, 296649, 494415, 626259, 1043765, 1483245, 1878777, 3131295, 5636331, 9393885, 28181655]

約数ペア:

[(1, 28181655), (3, 9393885), (5, 5636331), (9, 3131295), (15, 1878777), (19, 1483245), (27, 1043765), (45, 626259), (57, 494415), (95, 296649), (135, 208753), (171, 164805), (285, 98883), (513, 54935), (855, 32961), (2565, 10987)]