211119993

素因数分解:

$3^3\times 7^1\times {\mathrm{131}}^1\times {\mathrm{8527}}^1$

素因数の和:8674

約数の個数: 32

約数和(自身を含む): 360222720

約数和(自身を除く): 149102727

約数列:

[1, 3, 7, 9, 21, 27, 63, 131, 189, 393, 917, 1179, 2751, 3537, 8253, 8527, 24759, 25581, 59689, 76743, 179067, 230229, 537201, 1117037, 1611603, 3351111, 7819259, 10053333, 23457777, 30159999, 70373331, 211119993]

約数ペア:

[(1, 211119993), (3, 70373331), (7, 30159999), (9, 23457777), (21, 10053333), (27, 7819259), (63, 3351111), (131, 1611603), (189, 1117037), (393, 537201), (917, 230229), (1179, 179067), (2751, 76743), (3537, 59689), (8253, 25581), (8527, 24759)]