2942247

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{271}}^1$

素因数の和:339

約数の個数: 32

約数和(自身を含む): 5013504

約数和(自身を除く): 2071257

約数列:

[1, 3, 7, 11, 21, 33, 47, 77, 141, 231, 271, 329, 517, 813, 987, 1551, 1897, 2981, 3619, 5691, 8943, 10857, 12737, 20867, 38211, 62601, 89159, 140107, 267477, 420321, 980749, 2942247]

約数ペア:

[(1, 2942247), (3, 980749), (7, 420321), (11, 267477), (21, 140107), (33, 89159), (47, 62601), (77, 38211), (141, 20867), (231, 12737), (271, 10857), (329, 8943), (517, 5691), (813, 3619), (987, 2981), (1551, 1897)]