138519975

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{8837}}^1$

素因数の和:8880

約数の個数: 48

約数和(自身を含む): 263018880

約数和(自身を除く): 124498905

約数列:

[1, 3, 5, 11, 15, 19, 25, 33, 55, 57, 75, 95, 165, 209, 275, 285, 475, 627, 825, 1045, 1425, 3135, 5225, 8837, 15675, 26511, 44185, 97207, 132555, 167903, 220925, 291621, 486035, 503709, 662775, 839515, 1458105, 1846933, 2430175, 2518545, 4197575, 5540799, 7290525, 9234665, 12592725, 27703995, 46173325, 138519975]

約数ペア:

[(1, 138519975), (3, 46173325), (5, 27703995), (11, 12592725), (15, 9234665), (19, 7290525), (25, 5540799), (33, 4197575), (55, 2518545), (57, 2430175), (75, 1846933), (95, 1458105), (165, 839515), (209, 662775), (275, 503709), (285, 486035), (475, 291621), (627, 220925), (825, 167903), (1045, 132555), (1425, 97207), (3135, 44185), (5225, 26511), (8837, 15675)]