215316108

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{857}}^1\times {\mathrm{997}}^1$

素因数の和:1871

約数の個数: 72

約数和(自身を含む): 623374752

約数和(自身を除く): 408058644

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 857, 997, 1714, 1994, 2571, 2991, 3428, 3988, 5142, 5982, 5999, 6979, 7713, 8973, 10284, 11964, 11998, 13958, 15426, 17946, 17997, 20937, 23996, 27916, 30852, 35892, 35994, 41874, 53991, 62811, 71988, 83748, 107982, 125622, 215964, 251244, 854429, 1708858, 2563287, 3417716, 5126574, 5981003, 7689861, 10253148, 11962006, 15379722, 17943009, 23924012, 30759444, 35886018, 53829027, 71772036, 107658054, 215316108]

約数ペア:

[(1, 215316108), (2, 107658054), (3, 71772036), (4, 53829027), (6, 35886018), (7, 30759444), (9, 23924012), (12, 17943009), (14, 15379722), (18, 11962006), (21, 10253148), (28, 7689861), (36, 5981003), (42, 5126574), (63, 3417716), (84, 2563287), (126, 1708858), (252, 854429), (857, 251244), (997, 215964), (1714, 125622), (1994, 107982), (2571, 83748), (2991, 71988), (3428, 62811), (3988, 53991), (5142, 41874), (5982, 35994), (5999, 35892), (6979, 30852), (7713, 27916), (8973, 23996), (10284, 20937), (11964, 17997), (11998, 17946), (13958, 15426)]