131076897

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1$

素因数の和:254

約数の個数: 64

約数和(自身を含む): 218972160

約数和(自身を除く): 87895263

約数列:

[1, 3, 7, 21, 29, 31, 53, 87, 93, 131, 159, 203, 217, 371, 393, 609, 651, 899, 917, 1113, 1537, 1643, 2697, 2751, 3799, 4061, 4611, 4929, 6293, 6943, 10759, 11397, 11501, 12183, 18879, 20829, 26593, 28427, 32277, 34503, 47647, 48601, 79779, 85281, 117769, 142941, 145803, 201347, 215233, 333529, 353307, 604041, 645699, 824383, 1000587, 1409429, 1506631, 2473149, 4228287, 4519893, 6241757, 18725271, 43692299, 131076897]

約数ペア:

[(1, 131076897), (3, 43692299), (7, 18725271), (21, 6241757), (29, 4519893), (31, 4228287), (53, 2473149), (87, 1506631), (93, 1409429), (131, 1000587), (159, 824383), (203, 645699), (217, 604041), (371, 353307), (393, 333529), (609, 215233), (651, 201347), (899, 145803), (917, 142941), (1113, 117769), (1537, 85281), (1643, 79779), (2697, 48601), (2751, 47647), (3799, 34503), (4061, 32277), (4611, 28427), (4929, 26593), (6293, 20829), (6943, 18879), (10759, 12183), (11397, 11501)]