78951825

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{20641}}^1$

素因数の和:20674

約数の個数: 36

約数和(自身を含む): 149737068

約数和(自身を除く): 70785243

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 75, 85, 153, 225, 255, 425, 765, 1275, 3825, 20641, 61923, 103205, 185769, 309615, 350897, 516025, 928845, 1052691, 1548075, 1754485, 3158073, 4644225, 5263455, 8772425, 15790365, 26317275, 78951825]

約数ペア:

[(1, 78951825), (3, 26317275), (5, 15790365), (9, 8772425), (15, 5263455), (17, 4644225), (25, 3158073), (45, 1754485), (51, 1548075), (75, 1052691), (85, 928845), (153, 516025), (225, 350897), (255, 309615), (425, 185769), (765, 103205), (1275, 61923), (3825, 20641)]