66631725

素因数分解:

$3^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:227

約数の個数: 72

約数和(自身を含む): 125116992

約数和(自身を除く): 58485267

約数列:

[1, 3, 5, 9, 15, 25, 43, 45, 71, 75, 97, 129, 213, 215, 225, 291, 355, 387, 485, 639, 645, 873, 1065, 1075, 1455, 1775, 1935, 2425, 3053, 3195, 3225, 4171, 4365, 5325, 6887, 7275, 9159, 9675, 12513, 15265, 15975, 20661, 20855, 21825, 27477, 34435, 37539, 45795, 61983, 62565, 76325, 103305, 104275, 137385, 172175, 187695, 228975, 296141, 309915, 312825, 516525, 686925, 888423, 938475, 1480705, 1549575, 2665269, 4442115, 7403525, 13326345, 22210575, 66631725]

約数ペア:

[(1, 66631725), (3, 22210575), (5, 13326345), (9, 7403525), (15, 4442115), (25, 2665269), (43, 1549575), (45, 1480705), (71, 938475), (75, 888423), (97, 686925), (129, 516525), (213, 312825), (215, 309915), (225, 296141), (291, 228975), (355, 187695), (387, 172175), (485, 137385), (639, 104275), (645, 103305), (873, 76325), (1065, 62565), (1075, 61983), (1455, 45795), (1775, 37539), (1935, 34435), (2425, 27477), (3053, 21825), (3195, 20855), (3225, 20661), (4171, 15975), (4365, 15265), (5325, 12513), (6887, 9675), (7275, 9159)]