193619517

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{643}}^1\times {\mathrm{1103}}^1$

素因数の和:1769

約数の個数: 32

約数和(自身を含む): 318517248

約数和(自身を除く): 124897731

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 643, 1103, 1929, 3309, 4501, 7721, 8359, 13503, 14339, 23163, 25077, 43017, 58513, 100373, 175539, 301119, 709229, 2127687, 4964603, 9219977, 14893809, 27659931, 64539839, 193619517]

約数ペア:

[(1, 193619517), (3, 64539839), (7, 27659931), (13, 14893809), (21, 9219977), (39, 4964603), (91, 2127687), (273, 709229), (643, 301119), (1103, 175539), (1929, 100373), (3309, 58513), (4501, 43017), (7721, 25077), (8359, 23163), (13503, 14339)]