61201275

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{2087}}^1$

素因数の和:2140

約数の個数: 48

約数和(自身を含む): 111849984

約数和(自身を除く): 50648709

約数列:

[1, 3, 5, 15, 17, 23, 25, 51, 69, 75, 85, 115, 255, 345, 391, 425, 575, 1173, 1275, 1725, 1955, 2087, 5865, 6261, 9775, 10435, 29325, 31305, 35479, 48001, 52175, 106437, 144003, 156525, 177395, 240005, 532185, 720015, 816017, 886975, 1200025, 2448051, 2660925, 3600075, 4080085, 12240255, 20400425, 61201275]

約数ペア:

[(1, 61201275), (3, 20400425), (5, 12240255), (15, 4080085), (17, 3600075), (23, 2660925), (25, 2448051), (51, 1200025), (69, 886975), (75, 816017), (85, 720015), (115, 532185), (255, 240005), (345, 177395), (391, 156525), (425, 144003), (575, 106437), (1173, 52175), (1275, 48001), (1725, 35479), (1955, 31305), (2087, 29325), (5865, 10435), (6261, 9775)]