208245849

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{1663}}^1$

素因数の和:1829

約数の個数: 32

約数和(自身を含む): 325877760

約数和(自身を除く): 117631911

約数列:

[1, 3, 7, 21, 67, 89, 201, 267, 469, 623, 1407, 1663, 1869, 4989, 5963, 11641, 17889, 34923, 41741, 111421, 125223, 148007, 334263, 444021, 779947, 1036049, 2339841, 3108147, 9916469, 29749407, 69415283, 208245849]

約数ペア:

[(1, 208245849), (3, 69415283), (7, 29749407), (21, 9916469), (67, 3108147), (89, 2339841), (201, 1036049), (267, 779947), (469, 444021), (623, 334263), (1407, 148007), (1663, 125223), (1869, 111421), (4989, 41741), (5963, 34923), (11641, 17889)]