55921275

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{127}}^1$

素因数の和:265

約数の個数: 72

約数和(自身を含む): 107294720

約数和(自身を除く): 51373445

約数列:

[1, 3, 5, 9, 15, 19, 25, 45, 57, 75, 95, 103, 127, 171, 225, 285, 309, 381, 475, 515, 635, 855, 927, 1143, 1425, 1545, 1905, 1957, 2413, 2575, 3175, 4275, 4635, 5715, 5871, 7239, 7725, 9525, 9785, 12065, 13081, 17613, 21717, 23175, 28575, 29355, 36195, 39243, 48925, 60325, 65405, 88065, 108585, 117729, 146775, 180975, 196215, 248539, 327025, 440325, 542925, 588645, 745617, 981075, 1242695, 2236851, 2943225, 3728085, 6213475, 11184255, 18640425, 55921275]

約数ペア:

[(1, 55921275), (3, 18640425), (5, 11184255), (9, 6213475), (15, 3728085), (19, 2943225), (25, 2236851), (45, 1242695), (57, 981075), (75, 745617), (95, 588645), (103, 542925), (127, 440325), (171, 327025), (225, 248539), (285, 196215), (309, 180975), (381, 146775), (475, 117729), (515, 108585), (635, 88065), (855, 65405), (927, 60325), (1143, 48925), (1425, 39243), (1545, 36195), (1905, 29355), (1957, 28575), (2413, 23175), (2575, 21717), (3175, 17613), (4275, 13081), (4635, 12065), (5715, 9785), (5871, 9525), (7239, 7725)]