51199875

素因数分解:

$3^2\times 5^3\times {\mathrm{71}}^1\times {\mathrm{641}}^1$

素因数の和:733

約数の個数: 48

約数和(自身を含む): 93742272

約数和(自身を除く): 42542397

約数列:

[1, 3, 5, 9, 15, 25, 45, 71, 75, 125, 213, 225, 355, 375, 639, 641, 1065, 1125, 1775, 1923, 3195, 3205, 5325, 5769, 8875, 9615, 15975, 16025, 26625, 28845, 45511, 48075, 79875, 80125, 136533, 144225, 227555, 240375, 409599, 682665, 721125, 1137775, 2047995, 3413325, 5688875, 10239975, 17066625, 51199875]

約数ペア:

[(1, 51199875), (3, 17066625), (5, 10239975), (9, 5688875), (15, 3413325), (25, 2047995), (45, 1137775), (71, 721125), (75, 682665), (125, 409599), (213, 240375), (225, 227555), (355, 144225), (375, 136533), (639, 80125), (641, 79875), (1065, 48075), (1125, 45511), (1775, 28845), (1923, 26625), (3195, 16025), (3205, 15975), (5325, 9615), (5769, 8875)]