420189

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1$

素因数の和:145

約数の個数: 32

約数和(自身を含む): 746496

約数和(自身を除く): 326307

約数列:

[1, 3, 7, 11, 17, 21, 33, 51, 77, 107, 119, 187, 231, 321, 357, 561, 749, 1177, 1309, 1819, 2247, 3531, 3927, 5457, 8239, 12733, 20009, 24717, 38199, 60027, 140063, 420189]

約数ペア:

[(1, 420189), (3, 140063), (7, 60027), (11, 38199), (17, 24717), (21, 20009), (33, 12733), (51, 8239), (77, 5457), (107, 3927), (119, 3531), (187, 2247), (231, 1819), (321, 1309), (357, 1177), (561, 749)]