211247865

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{1109}}^1$

素因数の和:1223

約数の個数: 64

約数和(自身を含む): 402796800

約数和(自身を除く): 191548935

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 83, 85, 135, 153, 249, 255, 415, 459, 747, 765, 1109, 1245, 1411, 2241, 2295, 3327, 3735, 4233, 5545, 7055, 9981, 11205, 12699, 16635, 18853, 21165, 29943, 38097, 49905, 56559, 63495, 92047, 94265, 149715, 169677, 190485, 276141, 282795, 460235, 509031, 828423, 848385, 1380705, 1564799, 2485269, 2545155, 4142115, 4694397, 7823995, 12426345, 14083191, 23471985, 42249573, 70415955, 211247865]

約数ペア:

[(1, 211247865), (3, 70415955), (5, 42249573), (9, 23471985), (15, 14083191), (17, 12426345), (27, 7823995), (45, 4694397), (51, 4142115), (83, 2545155), (85, 2485269), (135, 1564799), (153, 1380705), (249, 848385), (255, 828423), (415, 509031), (459, 460235), (747, 282795), (765, 276141), (1109, 190485), (1245, 169677), (1411, 149715), (2241, 94265), (2295, 92047), (3327, 63495), (3735, 56559), (4233, 49905), (5545, 38097), (7055, 29943), (9981, 21165), (11205, 18853), (12699, 16635)]