201780123

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{911}}^1$

素因数の和:1075

約数の個数: 32

約数和(自身を含む): 294700032

約数和(自身を除く): 92919909

約数列:

[1, 3, 17, 43, 51, 101, 129, 303, 731, 911, 1717, 2193, 2733, 4343, 5151, 13029, 15487, 39173, 46461, 73831, 92011, 117519, 221493, 276033, 665941, 1564187, 1997823, 3956473, 4692561, 11869419, 67260041, 201780123]

約数ペア:

[(1, 201780123), (3, 67260041), (17, 11869419), (43, 4692561), (51, 3956473), (101, 1997823), (129, 1564187), (303, 665941), (731, 276033), (911, 221493), (1717, 117519), (2193, 92011), (2733, 73831), (4343, 46461), (5151, 39173), (13029, 15487)]