27685679

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1$

素因数の和:219

約数の個数: 32

約数和(自身を含む): 35143680

約数和(自身を除く): 7458001

約数列:

[1, 7, 19, 43, 47, 103, 133, 301, 329, 721, 817, 893, 1957, 2021, 4429, 4841, 5719, 6251, 13699, 14147, 31003, 33887, 38399, 84151, 91979, 208163, 268793, 589057, 643853, 1457141, 3955097, 27685679]

約数ペア:

[(1, 27685679), (7, 3955097), (19, 1457141), (43, 643853), (47, 589057), (103, 268793), (133, 208163), (301, 91979), (329, 84151), (721, 38399), (817, 33887), (893, 31003), (1957, 14147), (2021, 13699), (4429, 6251), (4841, 5719)]