128537085

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{149}}^1\times {\mathrm{199}}^1$

素因数の和:390

約数の個数: 48

約数和(自身を含む): 221040000

約数和(自身を除く): 92502915

約数列:

[1, 3, 5, 15, 17, 51, 85, 149, 199, 255, 289, 447, 597, 745, 867, 995, 1445, 2235, 2533, 2985, 3383, 4335, 7599, 10149, 12665, 16915, 29651, 37995, 43061, 50745, 57511, 88953, 129183, 148255, 172533, 215305, 287555, 444765, 504067, 645915, 862665, 1512201, 2520335, 7561005, 8569139, 25707417, 42845695, 128537085]

約数ペア:

[(1, 128537085), (3, 42845695), (5, 25707417), (15, 8569139), (17, 7561005), (51, 2520335), (85, 1512201), (149, 862665), (199, 645915), (255, 504067), (289, 444765), (447, 287555), (597, 215305), (745, 172533), (867, 148255), (995, 129183), (1445, 88953), (2235, 57511), (2533, 50745), (2985, 43061), (3383, 37995), (4335, 29651), (7599, 16915), (10149, 12665)]