198348231

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{257}}^1\times {\mathrm{409}}^1$

素因数の和:723

約数の個数: 32

約数和(自身を含む): 289414080

約数和(自身を除く): 91065849

約数列:

[1, 3, 17, 37, 51, 111, 257, 409, 629, 771, 1227, 1887, 4369, 6953, 9509, 13107, 15133, 20859, 28527, 45399, 105113, 161653, 257261, 315339, 484959, 771783, 1786921, 3889181, 5360763, 11667543, 66116077, 198348231]

約数ペア:

[(1, 198348231), (3, 66116077), (17, 11667543), (37, 5360763), (51, 3889181), (111, 1786921), (257, 771783), (409, 484959), (629, 315339), (771, 257261), (1227, 161653), (1887, 105113), (4369, 45399), (6953, 28527), (9509, 20859), (13107, 15133)]