291862137

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{307}}^1\times {\mathrm{2663}}^1$

素因数の和:2997

約数の個数: 32

約数和(自身を含む): 472614912

約数和(自身を除く): 180752775

約数列:

[1, 3, 7, 17, 21, 51, 119, 307, 357, 921, 2149, 2663, 5219, 6447, 7989, 15657, 18641, 36533, 45271, 55923, 109599, 135813, 316897, 817541, 950691, 2452623, 5722787, 13898197, 17168361, 41694591, 97287379, 291862137]

約数ペア:

[(1, 291862137), (3, 97287379), (7, 41694591), (17, 17168361), (21, 13898197), (51, 5722787), (119, 2452623), (307, 950691), (357, 817541), (921, 316897), (2149, 135813), (2663, 109599), (5219, 55923), (6447, 45271), (7989, 36533), (15657, 18641)]