42865245

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{409}}^1$

素因数の和:574

約数の個数: 48

約数和(自身を含む): 79438320

約数和(自身を除く): 36573075

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 137, 153, 255, 409, 411, 685, 765, 1227, 1233, 2045, 2055, 2329, 3681, 6135, 6165, 6953, 6987, 11645, 18405, 20859, 20961, 34765, 34935, 56033, 62577, 104295, 104805, 168099, 280165, 312885, 504297, 840495, 952561, 2521485, 2857683, 4762805, 8573049, 14288415, 42865245]

約数ペア:

[(1, 42865245), (3, 14288415), (5, 8573049), (9, 4762805), (15, 2857683), (17, 2521485), (45, 952561), (51, 840495), (85, 504297), (137, 312885), (153, 280165), (255, 168099), (409, 104805), (411, 104295), (685, 62577), (765, 56033), (1227, 34935), (1233, 34765), (2045, 20961), (2055, 20859), (2329, 18405), (3681, 11645), (6135, 6987), (6165, 6953)]