215452951

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{13613}}^1$

素因数の和:13663

約数の個数: 24

約数和(自身を含む): 279359280

約数和(自身を除く): 63906329

約数列:

[1, 7, 17, 19, 49, 119, 133, 323, 833, 931, 2261, 13613, 15827, 95291, 231421, 258647, 667037, 1619947, 1810529, 4396999, 11339629, 12673703, 30778993, 215452951]

約数ペア:

[(1, 215452951), (7, 30778993), (17, 12673703), (19, 11339629), (49, 4396999), (119, 1810529), (133, 1619947), (323, 667037), (833, 258647), (931, 231421), (2261, 95291), (13613, 15827)]