51111615

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^2\times {\mathrm{131}}^1$

素因数の和:232

約数の個数: 48

約数和(自身を含む): 89147520

約数和(自身を除く): 38035905

約数列:

[1, 3, 5, 15, 19, 37, 57, 95, 111, 131, 185, 285, 393, 555, 655, 703, 1369, 1965, 2109, 2489, 3515, 4107, 4847, 6845, 7467, 10545, 12445, 14541, 20535, 24235, 26011, 37335, 72705, 78033, 92093, 130055, 179339, 276279, 390165, 460465, 538017, 896695, 1381395, 2690085, 3407441, 10222323, 17037205, 51111615]

約数ペア:

[(1, 51111615), (3, 17037205), (5, 10222323), (15, 3407441), (19, 2690085), (37, 1381395), (57, 896695), (95, 538017), (111, 460465), (131, 390165), (185, 276279), (285, 179339), (393, 130055), (555, 92093), (655, 78033), (703, 72705), (1369, 37335), (1965, 26011), (2109, 24235), (2489, 20535), (3515, 14541), (4107, 12445), (4847, 10545), (6845, 7467)]