259146657

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{21997}}^1$

素因数の和:22038

約数の個数: 48

約数和(自身を含む): 494163072

約数和(自身を除く): 235016415

約数列:

[1, 3, 7, 9, 11, 17, 21, 33, 51, 63, 77, 99, 119, 153, 187, 231, 357, 561, 693, 1071, 1309, 1683, 3927, 11781, 21997, 65991, 153979, 197973, 241967, 373949, 461937, 725901, 1121847, 1385811, 1693769, 2177703, 2617643, 3365541, 4113439, 5081307, 7852929, 12340317, 15243921, 23558787, 28794073, 37020951, 86382219, 259146657]

約数ペア:

[(1, 259146657), (3, 86382219), (7, 37020951), (9, 28794073), (11, 23558787), (17, 15243921), (21, 12340317), (33, 7852929), (51, 5081307), (63, 4113439), (77, 3365541), (99, 2617643), (119, 2177703), (153, 1693769), (187, 1385811), (231, 1121847), (357, 725901), (561, 461937), (693, 373949), (1071, 241967), (1309, 197973), (1683, 153979), (3927, 65991), (11781, 21997)]