207979875

素因数分解:

$3^2\times 5^3\times {\mathrm{199}}^1\times {\mathrm{929}}^1$

素因数の和:1149

約数の個数: 48

約数和(自身を含む): 377208000

約数和(自身を除く): 169228125

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 125, 199, 225, 375, 597, 929, 995, 1125, 1791, 2787, 2985, 4645, 4975, 8361, 8955, 13935, 14925, 23225, 24875, 41805, 44775, 69675, 74625, 116125, 184871, 209025, 223875, 348375, 554613, 924355, 1045125, 1663839, 2773065, 4621775, 8319195, 13865325, 23108875, 41595975, 69326625, 207979875]

約数ペア:

[(1, 207979875), (3, 69326625), (5, 41595975), (9, 23108875), (15, 13865325), (25, 8319195), (45, 4621775), (75, 2773065), (125, 1663839), (199, 1045125), (225, 924355), (375, 554613), (597, 348375), (929, 223875), (995, 209025), (1125, 184871), (1791, 116125), (2787, 74625), (2985, 69675), (4645, 44775), (4975, 41805), (8361, 24875), (8955, 23225), (13935, 14925)]