61331475

素因数分解:

$3^1\times 5^2\times {\mathrm{47}}^1\times {\mathrm{127}}^1\times {\mathrm{137}}^1$

素因数の和:324

約数の個数: 48

約数和(自身を含む): 105136128

約数和(自身を除く): 43804653

約数列:

[1, 3, 5, 15, 25, 47, 75, 127, 137, 141, 235, 381, 411, 635, 685, 705, 1175, 1905, 2055, 3175, 3425, 3525, 5969, 6439, 9525, 10275, 17399, 17907, 19317, 29845, 32195, 52197, 86995, 89535, 96585, 149225, 160975, 260985, 434975, 447675, 482925, 817753, 1304925, 2453259, 4088765, 12266295, 20443825, 61331475]

約数ペア:

[(1, 61331475), (3, 20443825), (5, 12266295), (15, 4088765), (25, 2453259), (47, 1304925), (75, 817753), (127, 482925), (137, 447675), (141, 434975), (235, 260985), (381, 160975), (411, 149225), (635, 96585), (685, 89535), (705, 86995), (1175, 52197), (1905, 32195), (2055, 29845), (3175, 19317), (3425, 17907), (3525, 17399), (5969, 10275), (6439, 9525)]