201910887

素因数分解:

$3^5\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{1321}}^1$

素因数の和:1390

約数の個数: 48

約数和(自身を含む): 329146272

約数和(自身を除く): 127235385

約数列:

[1, 3, 9, 17, 27, 37, 51, 81, 111, 153, 243, 333, 459, 629, 999, 1321, 1377, 1887, 2997, 3963, 4131, 5661, 8991, 11889, 16983, 22457, 35667, 48877, 50949, 67371, 107001, 146631, 152847, 202113, 321003, 439893, 606339, 830909, 1319679, 1819017, 2492727, 3959037, 5457051, 7478181, 11877111, 22434543, 67303629, 201910887]

約数ペア:

[(1, 201910887), (3, 67303629), (9, 22434543), (17, 11877111), (27, 7478181), (37, 5457051), (51, 3959037), (81, 2492727), (111, 1819017), (153, 1319679), (243, 830909), (333, 606339), (459, 439893), (629, 321003), (999, 202113), (1321, 152847), (1377, 146631), (1887, 107001), (2997, 67371), (3963, 50949), (4131, 48877), (5661, 35667), (8991, 22457), (11889, 16983)]