201620025

素因数分解:

$3^2\times 5^2\times {\mathrm{109}}^1\times {\mathrm{8221}}^1$

素因数の和:8346

約数の個数: 36

約数和(自身を含む): 364481260

約数和(自身を除く): 162861235

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 109, 225, 327, 545, 981, 1635, 2725, 4905, 8175, 8221, 24525, 24663, 41105, 73989, 123315, 205525, 369945, 616575, 896089, 1849725, 2688267, 4480445, 8064801, 13441335, 22402225, 40324005, 67206675, 201620025]

約数ペア:

[(1, 201620025), (3, 67206675), (5, 40324005), (9, 22402225), (15, 13441335), (25, 8064801), (45, 4480445), (75, 2688267), (109, 1849725), (225, 896089), (327, 616575), (545, 369945), (981, 205525), (1635, 123315), (2725, 73989), (4905, 41105), (8175, 24663), (8221, 24525)]