222664281

素因数分解:

$3^1\times 7^3\times {\mathrm{353}}^1\times {\mathrm{613}}^1$

素因数の和:990

約数の個数: 32

約数和(自身を含む): 347769600

約数和(自身を除く): 125105319

約数列:

[1, 3, 7, 21, 49, 147, 343, 353, 613, 1029, 1059, 1839, 2471, 4291, 7413, 12873, 17297, 30037, 51891, 90111, 121079, 210259, 216389, 363237, 630777, 649167, 1514723, 4544169, 10603061, 31809183, 74221427, 222664281]

約数ペア:

[(1, 222664281), (3, 74221427), (7, 31809183), (21, 10603061), (49, 4544169), (147, 1514723), (343, 649167), (353, 630777), (613, 363237), (1029, 216389), (1059, 210259), (1839, 121079), (2471, 90111), (4291, 51891), (7413, 30037), (12873, 17297)]