220149951

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{11117}}^1$

素因数の和:11191

約数の個数: 32

約数和(自身を含む): 358622208

約数和(自身を除く): 138472257

約数列:

[1, 3, 7, 21, 23, 41, 69, 123, 161, 287, 483, 861, 943, 2829, 6601, 11117, 19803, 33351, 77819, 233457, 255691, 455797, 767073, 1367391, 1789837, 3190579, 5369511, 9571737, 10483331, 31449993, 73383317, 220149951]

約数ペア:

[(1, 220149951), (3, 73383317), (7, 31449993), (21, 10483331), (23, 9571737), (41, 5369511), (69, 3190579), (123, 1789837), (161, 1367391), (287, 767073), (483, 455797), (861, 255691), (943, 233457), (2829, 77819), (6601, 33351), (11117, 19803)]