209895841791

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{19471}}^1\times {\mathrm{70457}}^1$

素因数の和:89951

約数の個数: 24

約数和(自身を含む): 321038213184

約数和(自身を除く): 111142371393

約数列:

[1, 3, 9, 17, 51, 153, 19471, 58413, 70457, 175239, 211371, 331007, 634113, 993021, 1197769, 2979063, 3593307, 10779921, 1371868247, 4115604741, 12346814223, 23321760199, 69965280597, 209895841791]

約数ペア:

[(1, 209895841791), (3, 69965280597), (9, 23321760199), (17, 12346814223), (51, 4115604741), (153, 1371868247), (19471, 10779921), (58413, 3593307), (70457, 2979063), (175239, 1197769), (211371, 993021), (331007, 634113)]