31876275

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1087}}^1$

素因数の和:1140

約数の個数: 48

約数和(自身を含む): 58281984

約数和(自身を除く): 26405709

約数列:

[1, 3, 5, 15, 17, 23, 25, 51, 69, 75, 85, 115, 255, 345, 391, 425, 575, 1087, 1173, 1275, 1725, 1955, 3261, 5435, 5865, 9775, 16305, 18479, 25001, 27175, 29325, 55437, 75003, 81525, 92395, 125005, 277185, 375015, 425017, 461975, 625025, 1275051, 1385925, 1875075, 2125085, 6375255, 10625425, 31876275]

約数ペア:

[(1, 31876275), (3, 10625425), (5, 6375255), (15, 2125085), (17, 1875075), (23, 1385925), (25, 1275051), (51, 625025), (69, 461975), (75, 425017), (85, 375015), (115, 277185), (255, 125005), (345, 92395), (391, 81525), (425, 75003), (575, 55437), (1087, 29325), (1173, 27175), (1275, 25001), (1725, 18479), (1955, 16305), (3261, 9775), (5435, 5865)]